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:

How to proceed with troubleshooting
1 VEHICLE BROUGHT INTO A WORKSHOP 2 DIAGNOSTIC QUESTIONING AND SYMPTOM CONFIRMATION Ask the customer about symptoms and confirm malfunctions. 3 CONFIRM THE SYSTEM NORMAL CONDITION 4 CHECK DTC HINT: If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication signal ...

Vehicle Speed Sensor "A"
DTC P0500 Vehicle Speed Sensor "A" DESCRIPTION The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU. The skid control ECU converts these wheel speed signals into a 4-pulse signal and outputs it to the ECM via the combination meter. Th ...

Rear Airbag Sensor RH Circuit Malfunction
DTC B1154/38 Rear Airbag Sensor RH Circuit Malfunction DESCRIPTION The rear airbag sensor RH circuit consists of the center airbag sensor assembly and rear airbag sensor RH. If the center airbag sensor assembly receives signals from the rear airbag sensor RH, it judges whether or not the ...

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