Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (NAVIGATION ADAPTER) RECEIVER - STEREO JACK

Disconnect the K5 receiver connector.
Disconnect the J7 adapter connector.

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

Standard resistance

HARNESS AND CONNECTOR (NAVIGATION ADAPTER) RECEIVER - STEREO JACK TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
K5-3 (VAL+) - J7-1 (ALO)	Always	Below 1 Ω
K5-2 (VAR+) - J7-2 (ARO)
K5-5 (VA-) - J7-3 (ASGN)
K5-5 (VA-) - J7-5 (AUXG)
K5-6 (ADPG) - J7-4 (AUXO)
K5-3 (VAL+) - Body ground	Always	10 kΩ or higher
K5-2 (VAR+) - Body ground
K5-5 (VA-) - Body ground
K5-6 (ADPG) - Body ground

Fig 1: Identifying K5 Receiver Connector And J7 Adapter Connector

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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