Toyota Tundra Service Manual: Acc Relay

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT MAIN BODY ECU (ACC RELAY)

(a) Measure the resistance of the ACC relay circuit.

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

Standard Resistance:

Tester Connection	Condition	Specified Condition
DD-47 - DD-8	When battery voltage is not applied between DD-45 and DD-62	10 kΩ or higher
DD-47 - DD-8	When battery voltage is applied between DD-45 and DD-62	Below 1 Ω

If the result is not as specified, replace the main body ECU.

Toyota Tundra Service Manual > Audio And Visual System: LVDS Signal Malfunction (from Extension Module) (B1532,B156C)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area B1532 When either condition below is met:. The stereo component tuner assembly is not connected while the ignition switch is ON or ACC. Communication between the radio and display receiver assembly and the stereo component tuner assembly is n ...

Toyota Tundra Owners Manual