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:

Terminals of ECU
1. CHECK DISTANCE CONTROL ECU Reference: waveform 1 HINT:  Terminal: LRDD - SGND  Gauge set: 2 V/DIV., 10 ms./DIV.  Condition: ignition switch in the ON position Reference: waveform 2 HINT:  Terminal: LRRD - SGND  Gauge set: 2 V/ ...

SRS Warning Light does not Come ON
DESCRIPTION WIRING DIAGRAM INSPECTION PROCEDURE 1 CHECK BATTERY Measure the voltage of the battery. Standard voltage: 11 to 14 V 2 CHECK CONNECTORS Turn the ignition switch to the LOCK position.  Disconnect the negative (-) terminal cable from the battery, and wait for at le ...

Random / Multiple Cylinder Misfire Detected
DESCRIPTION When the engine misfires, high concentrations of hydrocarbons (HC) enter the exhaust gas. High HC concentration levels can cause increase in exhaust emission levels. Extremely high concentrations of HC can also cause increases in the Three-Way Catalytic Converter (TWC) tem ...