Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. 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 L51 receiver connector.
Disconnect the R34 amplifier connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
R34-3 (L+) - L51-9 (L+)	Always	Below 1 Ω
R34-2 (L-) - L51-19 (L-)
R34-5 (R+) - L51-8 (R+)
R34-4 (R-) - L51-18 (R+)
R34-3 (L+) - Body ground	Always	10 kΩ or higher
R34-2 (L-) - Body ground
R34-5 (R+) - Body ground
R34-4 (R-) - Body ground

Fig 1: Checking Harness And Connector (Radio Receiver - Stereo Component Amplifier)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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