Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT RADIO RECEIVER

Disconnect the radio receiver connectors E69 and E73.

Measure the resistance according to the value in the table below.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
GND - Body ground	Always	Below 1 Ω

Measure the voltage according to the values in the table below.

Standard voltage

VOLTAGE SPECIFICATION

Tester Connection

Condition

Specified Condition

B - GND

Always

10 to 14 V

+B - GND (⁽¹⁾)

Always

10 to 14 V

ACC - GND

Engine switch on (ACC)

10 to 14 V

⁽¹⁾	for Radio Receiver with Built-in "Bluetooth" Handsfree Function

Fig 1: Identifying Radio Receiver Connector Terminal E69 And E73

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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