Toyota CH-R Service Manual: Terminals Of Ecu

Toyota CH-R Service Manual / Window / Glass / Power Window Control System / Terminals Of Ecu

TERMINALS OF ECU

CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

(a) Disconnect the J6 multiplex network master switch assembly connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
J6-11 (B) - J6-12 (GND)	B - W-B	Power supply	Always	11 to 14 V
J6-12 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
J6-15 (DOWN) - J6-12 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, driver door power window regulator switch not pushed or pulled	11 to 14 V
J6-15 (DOWN) - J6-12 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, driver door power window moving, driver door power window regulator switch pushed halfway down (Manual operation)	Below 1 V
J6-20 (UP) - J6-12 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, driver door power window regulator switch not pushed or pulled	11 to 14 V
J6-20 (UP) - J6-12 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, driver door power window moving, driver door power window regulator switch pulled halfway up (Manual operation)	Below 1 V

CHECK POWER WINDOW REGULATOR SWITCH ASSEMBLY

(a) Disconnect the I10 power window regulator switch assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
I10-7 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
I10-2 (LED) - I10-7 (GND)	R - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
I10-2 (LED) - I10-7 (GND)	R - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
I10-5 (UP) - I10-7 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, power window regulator switch assembly not pushed or pulled	11 to 14 V
I10-5 (UP) - I10-7 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation)	Below 1 V
I10-5 (UP) - I10-7 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I10-5 (UP) - I10-7 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
I10-5 (UP) - I10-7 (GND)	V - W-B	Power window motor UP output	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I10-4 (DOWN) - I10-7 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, power window regulator switch assembly not pushed or pulled	11 to 14 V
I10-4 (DOWN) - I10-7 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation)	Below 1 V
I10-4 (DOWN) - I10-7 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I10-4 (DOWN) - I10-7 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
I10-4 (DOWN) - I10-7 (GND)	Y - W-B	Power window motor DOWN output	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO UP output	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
I10-8 (AUTO) - I10-7 (GND)	B - W-B	Power window motor AUTO DOWN output	Ignition switch ON, front passenger door power window fully open	11 to 14 V

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR)

(a) Disconnect the L3 rear power window regulator switch assembly (for LH door) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
L3-7 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
L3-2 (LED) - L3-7 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
L3-2 (LED) - L3-7 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
L3-5 (UP) - L3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or pulled	11 to 14 V
L3-5 (UP) - L3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation)	Below 1 V
L3-5 (UP) - L3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L3-5 (UP) - L3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)	Below 1 V
L3-5 (UP) - L3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L3-4 (DOWN) - L3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or pulled	11 to 14 V
L3-4 (DOWN) - L3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation)	Below 1 V
L3-4 (DOWN) - L3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L3-4 (DOWN) - L3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)	Below 1 V
L3-4 (DOWN) - L3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)	Below 1 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)	Below 1 V
L3-8 (AUTO) - L3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear LH door power window fully open	11 to 14 V

CHECK REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR RH DOOR)

(a) Disconnect the K3 rear power window regulator switch assembly (for RH door) connector.

(b) Measure the resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
K3-7 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
K3-2 (LED) - K3-7 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
K3-2 (LED) - K3-7 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
K3-5 (UP) - K3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or pulled	11 to 14 V
K3-5 (UP) - K3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation)	Below 1 V
K3-5 (UP) - K3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K3-5 (UP) - K3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)	Below 1 V
K3-5 (UP) - K3-7 (GND)	W - W-B	Power window motor UP output	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K3-4 (DOWN) - K3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or pulled	11 to 14 V
K3-4 (DOWN) - K3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation)	Below 1 V
K3-4 (DOWN) - K3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K3-4 (DOWN) - K3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)	Below 1 V
K3-4 (DOWN) - K3-7 (GND)	GR - W-B	Power window motor DOWN output	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)	Below 1 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO UP output	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)	Below 1 V
K3-8 (AUTO) - K3-7 (GND)	V - W-B	Power window motor AUTO DOWN output	Ignition switch ON, rear RH door power window fully open	11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR)

(a) Disconnect the J2 power window regulator motor assembly (for driver door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
J2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
J2-2 (B) - Body ground	L - Body ground	Power supply	Always	11 to 14 V

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
J2-7 (DOWN) - J2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled	11 to 14 V
J2-7 (DOWN) - J2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pushed halfway down (Manual operation)	Below 1 V
J2-7 (DOWN) - J2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, driver door power window fully closed	11 to 14 V
J2-7 (DOWN) - J2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pushed down (Auto operation)	Below 1 V
J2-7 (DOWN) - J2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, driver door power window fully open	11 to 14 V
J2-10 (UP) - J2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) not pushed or pulled	11 to 14 V
J2-10 (UP) - J2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) pulled halfway up (Manual operation)	Below 1 V
J2-10 (UP) - J2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, multiplex network master switch assembly (driver door power window regulator switch) fully open	11 to 14 V
J2-10 (UP) - J2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, driver door power window moving, multiplex network master switch assembly (driver door power window regulator switch) fully pulled up (Auto operation)	Below 1 V
J2-10 (UP) - J2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, driver door power window fully closed	11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR FRONT PASSENGER DOOR)

(a) Disconnect the I2 power window regulator motor assembly (for front passenger door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
I2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
I2-2 (B) - Body ground	L - Body ground	Power supply	Always	11 to 14 V

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO UP input	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
I2-4 (AUTO) - I2-1 (GND)	B - W-B	Power window motor AUTO DOWN input	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I2-5 (LED) - I2-1 (GND)	R - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
I2-5 (LED) - I2-1 (GND)	R - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
I2-7 (DOWN) - I2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, power window regulator switch assembly not pushed or pulled	11 to 14 V
I2-7 (DOWN) - I2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pushed halfway down (Manual operation)	Below 1 V
I2-7 (DOWN) - I2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, front passenger door power window fully closed	11 to 14 V
I2-7 (DOWN) - I2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pushed down (Auto operation)	Below 1 V
I2-7 (DOWN) - I2-1 (GND)	Y - W-B	Power window motor DOWN input	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I2-10 (UP) - I2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, power window regulator switch assembly not pushed or pulled	11 to 14 V
I2-10 (UP) - I2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly pulled halfway up (Manual operation)	Below 1 V
I2-10 (UP) - I2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, front passenger door power window fully open	11 to 14 V
I2-10 (UP) - I2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, front passenger door power window moving, power window regulator switch assembly fully pulled up (Auto operation)	Below 1 V
I2-10 (UP) - I2-1 (GND)	V - W-B	Power window motor UP input	Ignition switch ON, front passenger door power window fully closed	11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR)

(a) Disconnect the L2 power window regulator motor assembly (for rear LH door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
L2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
L2-2 (B) - Body ground	R - Body ground	Power supply	Always	11 to 14 V

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)	Below 1 V
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)	Below 1 V
L2-4 (AUTO) - L2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L2-5 (LED) - L2-1 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
L2-5 (LED) - L2-1 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
L2-7 (DOWN) - L2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or pulled	11 to 14 V
L2-7 (DOWN) - L2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pushed halfway down (Manual operation)	Below 1 V
L2-7 (DOWN) - L2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear LH door power window fully closed	11 to 14 V
L2-7 (DOWN) - L2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pushed down (Auto operation)	Below 1 V
L2-7 (DOWN) - L2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L2-10 (UP) - L2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear power window regulator switch assembly (for LH door) not pushed or pulled	11 to 14 V
L2-10 (UP) - L2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) pulled halfway up (Manual operation)	Below 1 V
L2-10 (UP) - L2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear LH door power window fully open	11 to 14 V
L2-10 (UP) - L2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear LH door power window moving, rear power window regulator switch assembly (for LH door) fully pulled up (Auto operation)	Below 1 V
L2-10 (UP) - L2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear LH door power window fully closed	11 to 14 V

CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR RH DOOR)

(a) Disconnect the K2 power window regulator motor assembly (for rear RH door) connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.

HINT:

Measure the values on the wire harness side with the connector disconnected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
K2-1 (GND) - Body ground	W-B - Body ground	Ground	Always	Below 1 Ω
K2-2 (B) - Body ground	R - Body ground	Power supply	Always	11 to 14 V

(d) Measure the voltage according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)	Below 1 V
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO UP input	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)	Below 1 V
K2-4 (AUTO) - K2-1 (GND)	V - W-B	Power window motor AUTO DOWN input	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K2-5 (LED) - K2-1 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is in the tail position	11 to 14 V
K2-5 (LED) - K2-1 (GND)	Y - W-B	LED illumination signal	Headlight dimmer switch is not in the tail position	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or pulled	11 to 14 V
K2-7 (DOWN) - K2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pushed halfway down (Manual operation)	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear RH door power window fully closed	11 to 14 V
K2-7 (DOWN) - K2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pushed down (Auto operation)	Below 1 V
K2-7 (DOWN) - K2-1 (GND)	GR - W-B	Power window motor DOWN input	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K2-10 (UP) - K2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear power window regulator switch assembly (for RH door) not pushed or pulled	11 to 14 V
K2-10 (UP) - K2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) pulled halfway up (Manual operation)	Below 1 V
K2-10 (UP) - K2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear RH door power window fully open	11 to 14 V
K2-10 (UP) - K2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear RH door power window moving, rear power window regulator switch assembly (for RH door) fully pulled up (Auto operation)	Below 1 V
K2-10 (UP) - K2-1 (GND)	W - W-B	Power window motor UP input	Ignition switch ON, rear RH door power window fully closed	11 to 14 V

CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

*A	Main Body ECU (Multiplex Network Body ECU) with 2 Connectors	-	-
*1	Main Body ECU (Multiplex Network Body ECU)	-	-
*a	2 Connectors	-	-

*A	Main Body ECU (Multiplex Network Body ECU) with 1 Connector	-	-
*1	Main Body ECU (Multiplex Network Body ECU)	-	-
*a	1 Connector	-	-

(a) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

Click here

(b) Reconnect the instrument panel junction block assembly connectors.

HINT:

Measure the values on the wire harness side with the connectors connected.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
MB-11 (GND1) - Body ground	-	Ground	Always	Below 1 Ω
MB-31 (BECU) - Body ground	-	Battery power supply	Always	11 to 14 V
MB-30 (ACC) - Body ground	-	ACC power supply	Ignition switch ACC	11 to 14 V
MB-30 (ACC) - Body ground	-	ACC power supply	Ignition switch off	Below 1 V
MB-32 (IG) - Body ground	-	IG power supply	Ignition switch ON	11 to 14 V
MB-32 (IG) - Body ground	-	IG power supply	Ignition switch off	Below 1 V

(d) Install the main body ECU (multiplex network body ECU) to the instrument panel junction block assembly.

Click here

(e) Measure the voltage and check for pulses according to the value(s) in the table below.

Terminal No. (Symbol)	Wiring Color	Terminal Description	Condition	Specified Condition
F15-6 (FLCY) - Body ground	R - Body ground	Front door courtesy light switch (for LH) input	Front door LH open	Below 1 V
F15-6 (FLCY) - Body ground	R - Body ground	Front door courtesy light switch (for LH) input	Front door LH closed	11 to 14 V
F15-27 (FRCY) - Body ground	BR - Body ground	Front door courtesy light switch (for RH) input	Front door RH open	Below 1 V
F15-27 (FRCY) - Body ground	BR - Body ground	Front door courtesy light switch (for RH) input	Front door RH closed	11 to 14 V
F15-29 (L2) - Body ground	G - Body ground	Driver door key-linked lock input	Driver door key cylinder turned to lock	Below 1 V
F15-29 (L2) - Body ground	G - Body ground	Driver door key-linked lock input	Driver door key cylinder not turned	Pulse generation
F15-2 (UL3) - Body ground	L - Body ground	Driver door key-linked unlock input	Driver door key cylinder turned to unlock	Below 1 V
F15-2 (UL3) - Body ground	L - Body ground	Driver door key-linked unlock input	Driver door key cylinder not turned	Pulse generation

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*1 Click here *1: w/ Smart Key System ...

Diagnosis System

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Toyota CH-R Service Manual: Terminals Of Ecu

Problem Symptoms Table

Diagnosis System

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