Toyota RAV4 manuals

Toyota Sienna Service Manual: How to proceed with troubleshooting

The intelligent tester can be used in steps 4, 6, 8 and 9.

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

3 PASSENGER AIRBAG ON/OFF INDICATOR CHECK

4 DTCs CHECK (Present and Past DTCs)

  1. Check for DTCs.

Result

Result

5 DTCs CHART

6 CIRCUIT INSPECTION

7 REPAIR

8 CLEAR DTCs (Present and Past DTCs)

  1. Clear DTCs

9 DTCs CHECK (Present and Past DTCs)

  1. Check for DTCs.

Result

Result

10 SYMPTOM SIMULATION

  1. Check the passenger airbag ON/OFF indicator condition.

Result

Result

11 CONFIRMATION TEST

END

System description
1. DESCRIPTION OF OCCUPANT CLASSIFICATION SYSTEM  GENERAL DESCRIPTION.  In the occupant classification system, the occupant classification ECU calculates the weight of the occu ...

Initialization
1. ZERO POINT CALIBRATION NOTICE: Make sure that the front passenger seat is not occupied before performing the operation. HINT: Perform the zero point calibration and sensitivity check if any ...

Other materials:

Diagnostic trouble code chart
HINT: The parameters listed in the chart may not confirm exactly to those read during the DTC check due to the type of instrument or other factors. If a trouble code is displayed during the DTC check in the check mode, check the circuit for the code listed in the table below. For details of ...

Automatic Light Control Sensor Circuit
DESCRIPTION The Multiplex network body ECU receives the signal from the automatic light control sensor. HINT: DTC code is output when malfunction of automatic light control sensor or open or short of automatic light control sensor circuit occurs. WIRING DIAGRAM INSPECTION PROCEDURE ...

Inspection
1. Inspect generator clutch pulley (a) Hold the center of the pulley, and confirm that the outer ring turns counterclockwise and does not turn clockwise. If the result is not as specified, replace the clutch pulley. 2. Remove generator drive end frame bearing (a) Check that the bear ...

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