Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT RADIO RECEIVER ASSEMBLY

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

Standard voltage

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Condition	Specified Condition
E76-7 (MCVD) - Body ground	Ignition switch ACC	4 to 6 V

Fig 1: Identifying E76 Radio Receiver Assembly Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE RADIO RECEIVER ASSEMBLY

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - BODY GROUND)

Disconnect the E76 radio receiver 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
E76-3 (TSW-) - E76-6 (MGND)	Always	Below 1 Ω
E76-3 (TSW-) - Body ground	Always	10 kΩ or higher

Fig 2: Identifying E76 Radio Receiver Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

CHECK HARNESS AND CONNECTOR (OVERHEAD J/B (MICROPHONE) - RADIO RECEIVER)

Disconnect the P5 overhead J/B (microphone) 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
E76-7 (MCVD) - P5-12 (ACC)	Always	Below 1 Ω
E76-2 (MIC+) - P5-11 (MI1+)	Always	Below 1 Ω
E76-1 (MIC-) - P5-10 (MIC-)	Always	Below 1 Ω
P5-12 (ACC) - Body ground	Always	10 kΩ or higher
P5-11 (MI1+) - Body ground	Always	10 kΩ or higher
P5-10 (MIC-) - Body ground	Always	10 kΩ or higher

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

Fig 3: Identifying P5 Overhead J/B (Microphone) Connector

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