Toyota Sienna Service Manual: Headlight assembly

Taillight Relay Circuit

DESCRIPTION The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY IN ...

Components

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Other materials:

Occupant Classification Sensor Power Supply Circuit Malfunction
DTC B1793 Occupant Classification Sensor Power Supply Circuit Malfunction DESCRIPTION The occupant classification sensor power supply circuit consists of the occupant classification ECU and the occupant classification sensors. DTC B1793 is recorded when a malfunction is detected in the occu ...

Removal
1. REMOVE REAR BUMPER COVER Put protective tape under the quarter panel. Partially the fender liner. HINT: Do not remove the fender liner completely but partially so that the bumper cover can be removed. Remove the 2 screws and 8 clips. Using a screwdriver, disengage the claws an ...

Compressor Lock Sensor Circuit
DTC B1422/22 Compressor Lock Sensor Circuit SYSTEM DESCRIPTION The ECM sends an engine speed signal to the A/C amplifier via CAN communication and BEAN communication. The A/C amplifier reads the difference between compressor speed and engine speed. When the difference becomes too large, t ...