Toyota Sienna Service Manual: Adjustment

Terminals of ECU

1. CLEARANCE WARNING ECU *1: with Front Clearance Sonar 2. AIR CONDITIONER AMPLIFIER ASSEMBLY *1: with Front Clearance Sonar *2: Manual A/C *3: Auto A/C  Reference: ...

Park / Neutral Position Switch Circuit

DESCRIPTION The clearance warning ECU receives the reverse or park position signal from the park / neutral position switch. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT CLEARANCE WARNING E ...

Other materials:

Rear Air Conditioning Relay Circuit
DESCRIPTION The RR A/C relay is switched on by signals from the A/C amplifier. It supplies power to the rear blower motor. WIRING DIAGRAM INSPECTION PROCEDURE 1 INSPECT RELAY (RR A/C) (a) Remove the RR A/C relay from the No. 3 relay block. (b) Measure the resistance according to t ...

Rear washer motor
ON-VEHICLE INSPECTION 1. INSPECT REAR WASHER MOTOR  Pour the water into the washer jar with the rear washer motor assembly installed to the washer jar assembly.  Connect the battery (+) to the terminal 1 of the rear washer motor assembly, the battery (-) to the terminal ...

Key Lock-in Prevention Function does not Work Properly (Manual Operation and Operation Interlocked with Key are Active)
DESCRIPTION The un-lock warning switch turns ON when the key is inserted in the ignition key cylinder. The courtesy light switch turns ON when the driver side door is opened. These 2 switches are monitored by the body ECU. In order to prevent the key from being locked in, the body ECU cont ...