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:

Driving Position Memory Switch Circuit (w/ Memory)
DESCRIPTION The seat memory switch sends signals to the outer mirror control ECU LH via the multiplex communication system to memorize a given seat position. This memory system does not use a position sensor. The seat position is detected by counting pulses that are output when the motor tu ...

Removal
1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 3. REMOVE STEERING WHEEL NO.3 COVER LOWER  Using a ...

Precaution
1. HANDLING PRECAUTIONS ON STEERING SYSTEM (a) Be careful to replace the parts properly because they could affect the performance of the steering system and result in a driving hazard. 2. HANDLING PRECAUTIONS ON SRS AIRBAG SYSTEM (a) The SIENNA is equipped with SRS (Supplemental Restraint Sys ...

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