Toyota RAV4 manuals

Toyota Sienna Service Manual: No Master/ Connection Check Error

DTC 01-D6 No Master

DTC 01-D7 Connection Check Error

DESCRIPTION

DESCRIPTION

HINT:

NOTICE:

INSPECTION PROCEDURE

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

1 CHECK RADIO RECEIVER POWER SOURCE CIRCUIT

Refer to the radio receiver power source circuit.

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

2 IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

  1. Enter the diagnostic mode

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

  1. Press the preset switch "3" to change to "Detailed Information Mode".
  2.  Identify the component which has stored this code.

Component Table:

Component Table

HINT:

3 CHECK POWER SOURCE CIRCUIT OF COMPONENT WHICH HAS STORED THIS CODE

  1. Inspect the power source circuit of the component which has stored this code.

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

Component Table:

Component Table

4 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

5 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.  Disconnect all connectors between the radio receiver and the component which has stored this code.
  2.  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.

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

6 REPLACE COMPONENT WHICH HAS STORED THIS CODE

  1. Replace the component which has stored this code with a normal one and check if the same problem occurs again.

OK: Same problem does not occur

END

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