TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made)
(a) Disconnect the air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F72-5 (IG+) - Body ground |
B - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F72-29 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F72-1 (B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
(c) Reconnect the air conditioning amplifier assembly connector.
(d) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F72-3 (LIN1) - Body ground |
L - Body ground |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMC Made)
(a) Disconnect the air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F139-2 (IG+) - Body ground |
B - Body ground |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F139-4 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F139-1 (B) - Body ground |
V - Body ground |
Battery power supply |
Always |
11 to 14 V |
(c) Reconnect the air conditioning amplifier assembly connector.
(d) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F139-14 (LIN1) - Body ground |
BE - Body ground |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
CHECK AIR CONDITIONING CONTROL ASSEMBLY
(a) Disconnect the air conditioning control assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F61-16 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
F61-10 (IG+) - F61-16 (GND) |
BE - W-B |
IG power supply |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
(c) Reconnect the air conditioning control assembly connector.
(d) Measure the voltage according to the value(s) in the table below.
(e) Check for pulse generation according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F61-2 (LIN1) - F61-16 (GND) |
L - W-B |
Seat heater switch signal |
Ignition switch ON |
Pulse generation |
F61-4 (RV) - F61-16 (GND) |
SB - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for front passenger side) off |
Below 0.6 V |
Ignition switch ON, seat heater switch (for front passenger side) HI |
3.9 to 5.5 V |
|||
Ignition switch ON, seat heater switch (for front passenger side) MID |
3.4 to 4.7 V |
|||
Ignition switch ON, seat heater switch (for front passenger side) LO |
2.5 to 3.5 V |
|||
F61-11 (SW) - F61-16 (GND) |
R - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for front passenger side) off |
Below 1 V |
Ignition switch ON, seat heater switch (for front passenger side) on |
11 to 14 V |
|||
F61-6 (RV) - F61-16 (GND) |
LG - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for driver side) off |
Below 0.6 V |
Ignition switch ON, seat heater switch (for driver side) HI |
3.9 to 5.5 V |
|||
Ignition switch ON, seat heater switch (for driver side) MID |
3.4 to 4.7 V |
|||
Ignition switch ON, seat heater switch (for driver side) LO |
2.5 to 3.5 V |
|||
F61-12 (SW) - F61-16 (GND) |
P - W-B |
Seat heater switch volume signal |
Ignition switch ON, seat heater switch (for driver side) off |
Below 1 V |
Ignition switch ON, seat heater switch (for driver side) on |
11 to 14 V |
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Communication Line
Air conditioning amplifier assembly
ECM
Magnet Clutch request signal
CAN
A/C idle up request si ...
Toyota CH-R Service Manual > Electric Parking Brake System: Freeze Frame Data
FREEZE FRAME DATA
FREEZE FRAME DATA
HINT:
When a DTC is stored, the freeze frame data stores the current vehicle
(sensor) state as.
The freeze frame data cannot be cleared or updated until the recorded
DTCs are cleared.
Chassis > ABS/VSC/TRAC/EPB
Tester D ...