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:

Terminals of ECU
1. CHECK POWER BACK DOOR ECU Disconnect the P13 and P14 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors If the result is not as specified, there may be a malfunction on the wire harness side.  Reconnect the ECU co ...

Short to GND in Front Passenger Side Squib 2nd Step Circuit
DTC B1187/55 Short to GND in Front Passenger Side Squib 2nd Step Circuit DESCRIPTION The front passenger side squib 2nd step circuit consists of the center airbag sensor assembly and the front passenger airbag assembly. The circuit instructs the SRS to deploy when deployment conditions are ...

Adjustment procedure
Hold the steering wheel and push the lever down. Adjust to the ideal position by moving the steering wheel horizontally and vertically. After adjustment, pull the lever up to secure the steering wheel. ...

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