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:

Check mode procedure
HINT: Check mode has a higher sensitivity to malfunctions and can detect malfunction that normal mode cannot detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode, DTCs are detected with 1-trip detection logic.  Dtc check (check mode) HINT: I ...

Front Occupant Classification Sensor RH Circuit Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The front occupant classification sensor RH circuit consists of the occupant classification ECU and the front occupant classification sensor RH. DTC B1781 is recorded when a malfunction is detected in the fron ...

Removal
1. PRECAUTION HINT: See page RS-1 2. SEPARATE BATTERY NEGATIVE TERMINAL 3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD 4. REMOVE HORN BUTTON ASSEMBLY (See page RS- 424) 5. REMOVE STEERING WHEEL ASSEMBLY (See page SR-6) 6. REMOVE STEERING COLUMN COVER LWR (See page RS-434) 7. REMOVE SPIRAL CA ...