Toyota RAV4 manuals

Toyota Sienna Service Manual: Radio Receiver Communication Error

INSPECTION PROCEDURE

1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

  1. Enter the diagnostic mode

IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

  1. Press the preset switch "3" to change to "Detailed Information Mode".
  2.  Identify the component shown by the sub-code.

HINT:

2 CHECK POWER SOURCE CIRCUIT OF COMPONENT SHOWN BY SUB-CODE

  1. Inspect the power source circuit of the component shown by the sub-code.

    If the power source circuit is operating normally, proceed to the next step.

Component Table:

Component

Proceed to

Stereo component amplifier (440) Stereo component amplifier power source circuit
Television display assembly (1B0) Television display assembly power source circuit

3 INSPECT RADIO RECEIVER

INSPECT RADIO RECEIVER

  1. Disconnect the radio receiver connectors.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

*1: 10 Speaker System

4 CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT SHOWN BY SUB-CODE)

HINT:

  1.  Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio receiver and the component shown by the sub-code.
  1.  Disconnect all connectors between the radio receiver and the component shown by sub-code.
  2. Check for an open or short in the AVC-LAN circuit between the radio receiver and the component shown by the sub-code.

OK: There is no open or short circuit.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - COMPONENT SHOWN BY SUB-CODE)

5 REPLACE COMPONENT SHOWN BY SUB-CODE

  1. Replace the component shown by the sub-code with a normal one and check if the same problem occurs again.

OK: Same problem does not occur.

END

Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter
DESCRIPTION This circuit is necessary for the ASL (Auto Sound Leveliser) built into the stereo component amplifier. Speed signals are received from the combination meter and used for the ASL. ...

Stereo Component Amplifier Communication Error
INSPECTION PROCEDURE 1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE Enter the diagnostic mode. Press the preset switch "3" to change to "Detailed Information Mode" ...

Other materials:

Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (See page AC-172) 2. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 28) 3. REMOVE FRONT BUMPER ASSEMBLY (See page ET-3) 4. DISCONNECT DISCHARGE HOSE SUB-ASSEMBLY (a) Remove the bolt and disconnect the discharge hose sub-assembly from the coo ...

Diagnosis system
1. DESCRIPTION When troubleshooting a vehicle with the diagnosis system, the only difference from the usual troubleshooting procedure is connecting the intelligent tester to the vehicle and reading various data output from the vehicle's clearance warning ECU. The clearance warning ECU record ...

Recirculated-air mode
Concept You may react to unpleasant odors or pollutants in the immediate environment by temporarily suspending the supply of outside air. The system then recirculates the air flow within the vehicle. Operation Press the button. The LED is illuminated when recirculated- air mode is switched on. The ...

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