Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

  1.  Disconnect the B6, B7 and B9 ECU connectors.

CHECK INSTRUMENT PANEL J/B ASSEMBLY

  1. Disconnect the 1A, 1C, 1L and 1K J/B connectors.
  2.  Measure the voltage and resistance between each terminal of the wire harness side connectors and body ground

CHECK INSTRUMENT PANEL J/B ASSEMBLY

If the result is not as specified, there may be a malfunction on the wire harness side.

  1. Reconnect the B6, B7 and B9 ECU connectors.
  2.  Reconnect the 1A, 1C, 1L and 1K J/B connectors.
  3.  Measure the voltage between each terminal of the connectors and the body ground.

CHECK INSTRUMENT PANEL J/B ASSEMBLY

*: with Engine Immobiliser System If the result is not as specified, the J/B assembly (body ECU) may have a malfunction.

Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction symptom and troubleshoot each circuit. HINT: Troubleshooting of the theft deterrent system is based on the premise tha ...

Engine Hood Courtesy Switch Circuit
DESCRIPTION The engine hood courtesy switch is built in the engine hood lock assembly. The switch turns on when the engine hood is opened and turns off when the engine hood is closed. WIRING DIAG ...

Other materials:

Data list / active test
1. DATA LIST HINT: With the intelligent tester connected to the DLC3 and the ignition switch to the ON position, the ABS, TRAC and VSC data list can be displayed. Follow the prompts on the tester screen to access the DATA LIST. *: 2WD 2. ACTIVE TEST HINT: Performing the ACTIVE TEST usin ...

Problem symptoms table
HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Re ...

Short to B+ in Side Squib RH Circuit
DTC B0113/42 Short to B+ in Side Squib RH Circuit DESCRIPTION The side squib RH circuit consists of the center airbag sensor assembly and the front seat side airbag assembly RH. This circuit instructs the SRS to deploy when deployment conditions are met. DTC B0113/42 is recorded when a sh ...

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