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 (RADIO RECEIVER - STEREO COMPONENT AMPLIFIER)

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

Check the resistance.

Standard

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 R1 Radio Receiver Assembly Connector Terminals

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