Toyota CH-R Service Manual: On-vehicle Inspection

Toyota CH-R Service Manual / Lighting (ext) / Stop Light Switch / On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT STOP LIGHT SWITCH ASSEMBLY

(a) Disconnect the A45 stop light switch assembly connector.

*a	Front view of wire harness connector (to Stop Light Switch Assembly)

(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.

*a	Component with harness connected (Stop Light Switch Assembly)

(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.

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