Toyota CH-R Service Manual: Terminals Of Ecu

Toyota CH-R Service Manual / Door Lock / Key Reminder Warning System / Terminals Of Ecu

TERMINALS OF ECU

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

*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 connector disconnected.

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 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	Pulse generation
3A-41 (KSW) - Body ground	V - Body ground	Key unlock warning switch input	No key in ignition key cylinder	Pulse generation
3A-41 (KSW) - Body ground	V - Body ground	Key unlock warning switch input	Key in ignition key cylinder	Below 1 V

Diagnosis System

DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the vehicle battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, rech ...

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any part ...

Other materials:

Toyota CH-R Owners Manual > Engine compartment: Brake fluid
■ Checking fluid level The brake fluid level should be between the "MAX" and "MIN" lines on the tank. ■ Adding fluid 1. Slide and lift up the rubber strip to partly remove it as shown. 2. Disconnect the claws and remove the service cover. 3. Remove the reserv ...

Toyota CH-R Service Manual > Front Door Lock: Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL FRONT DOOR INSIDE LOCKING CABLE ASSEMBLY (a) w/o Double Locking System: (1) Engage the guide to install ...