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Toyota Sienna Service Manual: How to proceed with troubleshooting

Toyota Sienna Service Manual / Meter / Meter / gauge system / How to proceed with troubleshooting

1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS

3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM

  1. Check for DTC output

4 PROBLEM SYMPTOM CONFIRMATION

5 PROBLEM SYMPTOMS TABLE

6 CIRCUIT INSPECTION

7 REPAIR OR REPLACE

8 CONFIRMATION TEST

END

Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL  Before performing electrical work, disconnect the battery negative (-) terminal in order to prevent a short in the system.   ...

Customize parameters
1. Seat Belt Buzzer ON/OFF Setting The seat belt buzzer ON/OFF setting, which is a setting of the buzzer function of the combination meter, can disable the driver side seat belt buzzer and front p ...

Other materials:

Reassembly
1. INSTALL LH REAR BUMPER SIDE RETAINER Install the LH rear bumper side retainer with the 3 screws. 2. INSTALL RH REAR BUMPER SIDE RETAINER Install the RH rear bumper side retainer with the 3 screws. 3. INSTALL REAR BUMPER REINFORCEMENT SUBASSEMBLY Install the rear bumper reinf ...

Rear Occupant Classification Sensor LH Circuit Malfunction
DTC B1782 Rear Occupant Classification Sensor LH Circuit Malfunction DESCRIPTION The rear occupant classification sensor LH circuit consists of the occupant classification ECU and the rear occupant classification sensor LH. DTC B1782 is recorded when a malfunction is detected in the rear oc ...

Oil and oil filter
COMPONENTS REPLACEMENT CAUTION: Prolonged and repeated contact with engine oil will result in the removal of natural oils from the skin, leading to dryness, irritation and dermatitis. In addition, used engine oil contains potentially harmful contaminants which may caus ...

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