Toyota RAV4 manuals

Toyota Sienna Service Manual: Terminals of ECU

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

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

CHECK DRIVER SIDE J/B ASSEMBLY

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

CHECK DRIVER SIDE J/B ASSEMBLY

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

  1. Reconnect the 1C, 1K, 1L and B6 connectors.
  2. Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

Operation check
1. REMOVE CHECK FUNCTION  Check that the key reminder warning buzzer sounds.  With the driver side door closed, insert the key into the ignition key cylinder and then turn the ...

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. NOT ...

Other materials:

Removal
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 s ...

Lost Communication with Steering Angle Sensor Module
DTC U0126 Lost Communication with Steering Angle Sensor Module DESCRIPTION This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU. DTC No. DTC Detection Condition Trouble ...

Check component status
(a) Compare the test value with the minimum test limit (MIN LIMIT) and maximum test limit (MAX LIMIT). (b) If the test value is between the minimum test limit and maximum test limit, the component is functioning normally. If not, the component is malfunctioning. The test value is usually sign ...

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