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:

TS and CG Terminal Circuit
DESCRIPTION In the sensor check mode, a malfunction of the speed sensor that cannot be detected when the vehicle is stopped is detected while driving. Transition to the sensor check mode can be performed by connecting terminals TS and CG of the DLC3 and turning the ignition switch from off ...

Tire pressure warning system
Your vehicle is equipped with a tire pressure warning system that uses tire pressure warning valves and transmitters to detect low tire inflation pressure before serious problems arise. Vehicles with compact spare tire: The compact spare tire is not equipped with the tire pressure warning valve ...

How to proceed with troubleshooting
HINT:  Troubleshooting of the wireless door lock control system is based on the premise that the power door lock system, the power slide door system, the power back door system and the power window system are operating normally. Therefore, before troubleshooting the wireless door lo ...

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