Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

HINT: Troubleshoot in accordance with the procedures on the following pages.

1 VEHICLE BROUGHT TO WORKSHOP

2 DTC CHECK

  1. Check for DTCs and make a note of the code that is output (See page MP-14).
  2. Delete the DTC.
  3. Check if the DTC is output once again when the problem symptom is simulated based on the noted code.
  1. When no code is output (symptom check and simulation are possible), proceed to A.
  2. When a code is output, proceed to B.

3 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM

  1. Terminals of ECU

4 ADJUST, REPAIR OR REPLACE

END

System description
1. MULTIPLEX COMMUNICATION SYSTEM (BEAN) The BEAN communication line is used to control the combination meter, the A/C amplifier, the airbag sensor assembly, the multiplex network body ECU, ...

Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU Disconnect the G4 ECU connector. Measure the voltage between the specified terminals on the wire harness side connector. If the result is not as ...

Other materials:

Vanity light
ON-VEHICLE INSPECTION 1. LH VISOR ASSEMBLY  Inspect vanity light resistance.  check that the resistance exists between the terminal 1 and the terminal 2 when the light is operated. Resistance: OFF (closed): 10 kΩ or higher ON (opened): Below 1 Ω 2. RH VISOR ...

Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT  Perform the zero point calibration and sensitivity check if any of the following conditions occur.  The occupant classification ECU is replaced.  Accessories (seatback tray and seat cover, etc.) are installed. ...

Reclining Motor Circuit
DESCRIPTION The fold seat control ECU receives a switch operation signal from the power rear no. 2 seat switch and the fold seat switch, and activates the reclining motor. At this time, the Hall IC (seatback position sensor) detects the actuation of the seatback and sends a seatback actuation ...

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