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:

Occupant Classification System Malfunction
DTC B1150/23 Occupant Classification System Malfunction DESCRIPTION The occupant classification system circuit consists of the center airbag sensor assembly and the occupant classification ECU. If the center airbag sensor assembly receives signals from the occupant classification ECU, it d ...

Data list / active test
1. DATA LIST The wireless door lock control data list can be displayed while the intelligent tester is connected to the DLC3 with the ignition switch in the ON position. Follow the prompts on the tester screen to access the DATA LIST. BODY: 2. ACTIVE TEST HINT: Performing the ACT ...

Inspection
1. INSPECT INVERTER MAIN SWITCH  Inspect the continuity between terminal at the each switch position shown in the chart. If continuity is not as specified, replace the main switch assembly.  Inspect the bulb state when connecting the battery to each terminal ...

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