Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

  1.  Disconnect the 1C, 1J, 1L, 1K, 1P, B6, B7 and B9 J/ B connectors.

CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

  1. Measure the voltage and resistance according to the value(s) in the table below.

Standard

Standard

HINT:

  1. Reconnect the J/B and ECU connectors and measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

Standard voltage

HINT:

2. CHECK POWER BACK DOOR ECU (w/ Power back door system)

  1. Disconnect the P13 and P14 ECU connectors.

CHECK POWER BACK DOOR ECU (w/ Power back door system)

  1. Measure the voltage and resistance according to the value(s) in the table below.

Standard

Standard

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

  1.  Reconnect the ECU connectors and measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

HINT: If the result is not as specified, the ECU may have a malfunction.

Problem symptoms table
HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below. POWER DOOR LOCK CONTROL SYSTEM ...

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. ...

Other materials:

Radio Receiver Power Source Circuit
DESCRIPTION This circuit provides power to the radio receiver. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT RADIO RECEIVER ASSEMBLY Disconnect the radio receiver connector. Measure the resistance according to the value in the table below. Standard resistance Measure t ...

Active test
HINT: Performing an ACTIVE TEST enables components including the relays, VSV (Vacuum Switching Valve), and actuators, to be operated without removing any parts. The ACTIVE TEST can be performed with an intelligent tester. Performing an ACTIVE TEST in the first step in troubleshooting is one ...

On-vehicle inspection
1. CHECK AUTO SLIDE-OPEN / CLOSE FUNCTION Check that the sliding roof switch can operate the sliding roof glass as follows while the tilt-up / DOWN function is not operating. Standard HINT: The sliding roof stops partway when the sliding roof switch is pushed on either side during AU ...

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