ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STOP LIGHT SWITCH ASSEMBLY
(a) Disconnect the A45 stop light switch assembly connector. |
|
(b) Measure the voltage and resistance on the wire harness side connector according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A45-7 (B) - A45-2 (GND) |
Ignition switch off |
11 to 14 V |
A45-6 (B) - A45-2 (GND) |
Ignition switch on (IG) |
11 to 14 V |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A45-2 (GND) - Body ground |
Always |
Below 1 Ω |
If the result is not as specified, repair or replace the wire harness or connector.
(c) Reconnect the A45 stop light switch assembly connector. |
|
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A45- 1 (OUT) - A45-2 (GND) |
Ignition switch off, brake pedal not depressed |
Below 1 V |
A45-1 (OUT) - A45-2 (GND) |
Ignition switch off, brake pedal depressed |
11 to 14 V |
A45-3 (L) - A45-2 (GND) |
Ignition switch off, brake pedal not depressed |
Below 1 V |
A45-3 (L) - A45-2 (GND) |
Ignition switch off, brake pedal depressed |
11 to 14 V |
A45-4 (ACC) - A45-2 (GND) |
Ignition switch off |
11 to 14 V |
A45-5 (L) - A45-2 (GND) |
Ignition switch on (IG), brake pedal not depressed |
11 to 14 V |
A45-5 (L) - A45-2 (GND) |
Ignition switch on (IG), brake pedal depressed |
Below 1 V |
If the result is not as specified, replace the stop light switch assembly.
Toyota CH-R Service Manual > Can Communication System: ECM Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
ECM Communication Stop Mode
Any of the following conditions are met:
Communication stop for "ECM (Engine)" is indicated on the "Communication
Bus Check&quo ...
Toyota CH-R Service Manual > Key Reminder Warning System: Key Reminder Buzzer does not Sound
DESCRIPTION
The key reminder warning buzzer sounds when the driver door is opened while the
ignition switch is off or ACC. The key reminder warning buzzer is activated when
the main body ECU (multiplex network body ECU) sends an unlock warning switch signal
and driver door courtesy light swit ...