Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR

Disconnect the R1 radio receiver assembly connector and S23 stereo component amplifier assembly connector.

Check the resistance.

Standard resistance

TESTER CONNECTION AND SPECIFIED CONDITION

Tester Connection	Specified Condition
L+ (S23-3) - L+ (R1-9)	Below 1
L- (S23-2) - L- (R1-19)	Below 1
R+ (S23-5) - R+ (R1-8)	Below 1
R- (S23-4) - R- (R1-18)	Below 1
L+ (S23-3) - Body ground	10 k or higher
L- (S23-2) - Body ground	10 k or higher
R+ (S23-5) - Body ground	10 k or higher
R- (S23-4) - Body ground	10 k or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 1: Identifying S23 Stereo Component Amplifier Assembly Terminals

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE