TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made)
(a) Disconnect the F72 air conditioning amplifier 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.
Tester Connection |
Wiring Color |
Terminal Description |
Switch Condition |
Specified Condition |
---|---|---|---|---|
F72-5 (IG+) - F72-29 (GND) |
B - W-B |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F72-1 (B) - F72-29 (GND) |
V - W-B |
Battery power supply |
Always |
11 to 14 V |
F72-29 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the F72 air conditioning amplifier assembly connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Switch Condition |
Specified Condition |
---|---|---|---|---|
F72-26 (RDFG) - F72-29 (GND) |
P - W-B |
Rear window defogger signal |
Ignition switch ON, rear window defogger switch off |
11 to 14 V |
Ignition switch ON, rear window defogger switch on |
Below 1 V |
|||
F72-3 (LIN1) - F72-29 (GND) |
L - W-B |
LIN communication line |
Ignition switch ON |
Pulse generation |
If the result is not as specified, the air conditioning amplifier assembly may be malfunctioning.
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMC Made)
(a) Disconnect the F139 air conditioning amplifier 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.
Tester Connection |
Wiring Color |
Terminal Description |
Switch Condition |
Specified Condition |
---|---|---|---|---|
F139-2 (IG+) - F139-4 (GND) |
B - W-B |
Power source (IG) |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
|||
F139-1 (B) - F139-4 (GND) |
V - W-B |
Battery power supply |
Always |
11 to 14 V |
F139-4 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the F139 air conditioning amplifier assembly connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Switch Condition |
Specified Condition |
---|---|---|---|---|
F139-5 (RDFG) - F139-4 (GND) |
P - W-B |
Rear window defogger signal |
Ignition switch ON, rear window defogger switch off |
11 to 14 V |
Ignition switch ON, rear window defogger switch on |
Below 1 V |
|||
F139-14 (LIN1) - F139-4 (GND) |
BE - W-B |
LIN communication line |
Ignition switch ON |
Pulse generation |
If the result is not as specified, the air conditioning amplifier assembly may be malfunctioning.
CHECK AIR CONDITIONING CONTROL ASSEMBLY
(a) Check for pulses according to the value(s) in the table below.
Tester Connection |
Wiring Color |
Terminal Description |
Switch Condition |
Specified Condition |
---|---|---|---|---|
F61-2 (LIN1) - F61-16 (GND) |
L - W-B*1 BE - W-B*2 |
LIN communication line |
Ignition switch ON |
Pulse generation |
If the result is not as specified, the air conditioning control assembly may be malfunctioning.
Toyota CH-R Service Manual > Power Door Lock Control System: Operation Check
OPERATION CHECK
CHECK POWER DOOR LOCK OPERATION
NOTICE:
The operation check below is based on the non-customized initial condition of
the vehicle.
(a) Check basic functions.
(1) Check that all of the doors lock when the lock side of the door control switch
is pressed.
(2) Check that all of ...
Toyota CH-R Service Manual > Meter / Gauge System: Meter Illumination is Always Dark
DESCRIPTION
The combination meter assembly receives signals from this circuit to adjust the
illumination of the combination meter assembly. The combination meter assembly sets
the illumination level based on the user operation of the light control rheostat
switch.
WIRING DIAGRAM
CAUTION / ...