Toyota Sienna Service Manual: Parts location

Precaution

1. PRECAUTION OF HEADLIGHT BULB REPLACEMENT  When any defects such as deformation, crack, dent, chipping, etc. are identified on the discharge headlight (especially, on the light control ...

How to proceed with troubleshooting

1 VEHICLE BROUGHT TO WORK SHOP 2 CUSTOMER PROBLEM ANALYSIS 3 CHECK BODY MULTIPLEX COMMUNICATION SYSTEM Check for the DTC outputs. 4 DTC CHECK 5 DTC CHART 6 PROBLEM SYMPTOMS TABLE 7 TERMINA ...

Other materials:

Security Horn Circuit
DESCRIPTION During the alarm sounding state, the relay in the ECU turns on and off in a cycle of approximately 0.2 seconds, causing the security horn to sound. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT SECURITY HORN ASSEMBLY Disconnect the T1 security horn connector.  C ...

Rear Occupant Classification Sensor RH Collision Detection
DTC B1788 Rear Occupant Classification Sensor RH Collision Detection DESCRIPTION DTC B1788 is output when the occupant classification ECU receives a collision detection signal sent by the rear occupant classification sensor RH if an accident occurs. DTC B1788 is also output when the front s ...

Communication Error from Distance Control ECU to ECM
DTC P1615 Communication Error from Distance Control ECU to ECM DTC U1101 Lost Communication with Distance Control ECU DESCRIPTION The distance control ECU receives information about the area in front of the vehicle from the laser sensor and then sends a brake control demand signal (decelerat ...