ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STOP LIGHT SWITCH ASSEMBLY
(a) Disconnect the A81 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:
Standard Resistance:
If the result is not as specified, repair or replace the wire harness or connector. |
|
| (c) Connect the A81 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 |
|---|---|---|
|
A81-1 (OUT) - A81-2 (GND) |
Ignition switch off, brake pedal not depressed |
Below 1 V |
|
A81-1 (OUT) - A81-2 (GND) |
Ignition switch off, brake pedal depressed |
11 to 14 V |
|
A81-3 (L) - A81-2 (GND) |
Ignition switch off, brake pedal not depressed |
Below 1 V |
|
A81-3 (L) - A81-2 (GND) |
Ignition switch off, brake pedal depressed |
11 to 14 V |
|
A81-4 (ACC) - A81-2 (GND) |
Always | 11 to 14 V |
|
A81-5 (L) - A81-2 (GND) |
Ignition switch ON, brake pedal not depressed |
11 to 14 V |
|
A81-5 (L) - A81-2 (GND) |
Ignition switch ON, brake pedal depressed |
Below 1 V |
If the result is not as specified, replace the stop light switch assembly.
Removal
Installation
If the vehicle battery
is discharged
Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)