Toyota RAV4 manuals

Toyota Sienna Service Manual: Radio and Navigation Assembly Communication Error

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / Radio and Navigation Assembly Communication Error

INSPECTION PROCEDURE

1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE

  1. Enter the diagnostic mode.
  2.  Press the "LAN Mon" switch to change to "LAN Monitor" mode.
  3.  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 Table

3 CHECK RADIO AND NAVIGATION ASSEMBLY

CHECK RADIO AND NAVIGATION ASSEMBLY

  1. Disconnect the radio and navigation assembly.
  2.  Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

4 CHECK HARNESS AND CONNECTOR

HINT:

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

CHECK HARNESS AND CONNECTOR

OK: There is no open or short circuit.

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

Stereo Component Amplifier Communication Error
INSPECTION PROCEDURE 1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE Enter the diagnostic mode.  Press the "LAN Mon" switch to change to "LAN Monitor" mode. &nbs ...

Television Display Assembly Communication Error
INSPECTION PROCEDURE 1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE Enter the diagnostic mode.  Press the "LAN Mon" switch to change to "LAN Monitor" mode. &nbs ...

Other materials:

Installation
1. INSTALL ACCELERATOR PEDAL ROD NOTICE:  Avoid physical shock to the accelerator pedal assembly.  Do not disassemble the accelerator pedal assembly.  Install the accelerator pedal rod with the 2 nuts. Torque: 4.9 N*m (50 kgf*cm, 43 in.*lbf)  Connect the ...

Diagnosis Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. DTCs are displayed by blinking the SRS warning light. HINT:  When each warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each ECU is ...

Repair
1. INSTALL HEADLIGHT PROTECTOR RETAINER UPPER HINT:  If the installation area of the headlight assembly is damaged, use the supply bracket for low-cost repair. Ensure that the headlight assembly is not damaged.  Cut off the part shaded in the illustration and sand smoo ...

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