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
HINT:  Use these procedures to troubleshoot the key reminder warning system.  The intelligent tester should be used in steps 3 and 5. 1 VEHICLE BROUGHT TO WORKSHOP 2 CUSTOMER PROBLEM ANALYSIS 3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN) Use th ...

Open or Short Circuit in ABS Motor Relay Circuit
DESCRIPTION The ABS motor relay supplies power to the ABS pump motor. While the ABS & TRAC & VSC are activated, the ECU switches the ABS motor relay ON and operates the ABS pump motor. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST USING INTELLIGENT TESTER (AB ...

Customize parameters
1. Seat Belt Buzzer ON/OFF Setting The seat belt buzzer ON/OFF setting, which is a setting of the buzzer function of the combination meter, can disable the driver side seat belt buzzer and front passenger side seat belt buzzer. NOTICE: These buzzers should be on for safe driving. Perform ...

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