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.

NOTE: Be sure to read DESCRIPTION before performing the following procedures.

CHECK RADIO RECEIVER POWER SOURCE CIRCUIT
1. Refer to the RADIO RECEIVER POWER SOURCE CIRCUIT .
  If the power source circuit is operating normally, proceed to the next step.

INSPECT RADIO RECEIVER ASSEMBLY

Disconnect the E62 and E64* receiver connectors.

Measure the resistance of the receiver.

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION CHART

Tester Connection	Specified Condition
E62-5 (ATX+) - E62-15 (ATX-)	60 to 80 Ω
E64-9 (TXM+) - E64-10 (TXM-)*	60 to 80 Ω
HINT: *: with Rear seat entertainment system

Fig 1: Identifying E62 And E64 Receiver Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE RADIO RECEIVER ASSEMBLY

OK: Go to Next Step

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

Enter the diagnostic mode.

Fig 2: Identifying Diagnostic Mode - Service Check Mode And Detailed Information Mode
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Press the preset switch "2" to change to "Detailed Information Mode".

Identify the component which has stored this code.

Component table:

COMPONENT CHART

Component	Physical address
Stereo component amplifier	440
Television display assembly	1B0

HINT:

"440 (Stereo component amplifier)" is the component which has stored this code in the example shown in the illustration.
For details of the DTC display, refer to the "DTC CHECK/CLEAR " .

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT WHICH HAS STORED THIS CODE)
HINT:

For details of the connectors, refer to the "TERMINALS OF ECU " .
1. Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component which has stored this code.
  1. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component which has stored this code.
    OK: There is no open or short circuit.
    
    Fig 3: Identifying AVC-LAN Wiring Diagram
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step
REPLACE RADIO RECEIVER ASSEMBLY
1. Replace the radio receiver with a normal one and check if the same problem occurs again.
  OK: Same problem does not occur.
NG: REPLACE COMPONENT WHICH HAS STORED THIS CODE

OK: END