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 (TELEVISION DISPLAY - NAVIGATION RECEIVER)

Disconnect the W2 display connector.
Disconnect the K8 receiver connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Condition	Specified Condition
W2-26 (MUTE) - K8-6 (MUTE)	Always	Below 1 Ω
W2-26 (MUTE) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 1: Identifying W2 And K8 Connectors Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: Go to next step.

CHECK TELEVISION DISPLAY

Reconnect the W2 display connector.

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

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION

Tester Connection	Switch Condition	Specified Condition
W2-26 (MUTE) - Body ground	Ignition switch ACC, television display is playing → Changing modes	3.5 V or higher → Below 1 V

Fig 2: Identifying W2 Connector Terminals

NG: REPLACE TELEVISION DISPLAY (see REMOVAL )

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