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

GO TO PROBLEM SYMPTOMS TABLE

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

Go to step 5

10 SYMPTOM SIMULATION

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

Result

Result

Go to step 5

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 o ...

Other materials:

Front stabilizer bar (for 4wd)
COMPONENTS ...

Rear Occupant Classification Sensor RH Circuit Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The rear occupant classification sensor RH circuit consists of the occupant classification ECU and the rear occupant classification sensor RH. DTC B1783 is recorded when a malfunction is detected in the rear oc ...

Intake Air Temperature Sensor Gradient Too High
DESCRIPTION The Intake Air Temperature (IAT) sensor, mounted on the Mass Air Flow (MAF) meter, monitors the IAT. The IAT sensor has a built-in thermistor with a resistance that varies according to the temperature of the intake air. When the IAT becomes low, the resistance of the the ...

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