Toyota Tundra Service Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY

(a) Measure the resistance according to the value(s) in the table below.

Standard resistance:

Tester Connection	Condition	Specified Condition
1 - 2	Switch free (Key removed)	10 kΩ or higher
1 - 2	Switch pushed (Key set)	Below 1 Ω

If the result is not as specified, replace the unlock warning switch assembly.

Text in Illustration

*a	Component without harness connected (Unlock Warning Switch Assembly)

Toyota Tundra Service Manual > Trailer Brake Control System: Stop Light Control Relay Malfunction (C1380)
DESCRIPTION The skid control ECU (brake actuator assembly) sends a stop light operation request signal to the stop light control relay. If the skid control ECU (brake actuator assembly) detects a malfunction in the stop light control relay circuit, the trailer brake control ECU (brake control with b ...

Toyota Tundra Owners Manual