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:

Inspection
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR  Using an ohmmeter, measure the resistance between the terminals. Standard resistance If the result is as specified, do not replace the engine coolant temperature sensor. If the result is not as specified, replace the engine ...

Cooling fan motor
On-vehicle inspection 1. No. 1 Cooling fan motor (A) check that the motor turns smoothly when the battery is connected to the fan motor connector. (B) measure the current while the motor is turning. Standard current: 11.8 To 14.8 A at 20°c (68°f) if the result is not as specified, r ...

Sensor signal check by test mode (signal check) (when using sst check wire)
(a) When having replaced the skid control ECU and/or yaw rate and deceleration sensor, perform zero point calibration of the yaw rate and deceleration sensor. HINT: If the ignition switch is turned from the ON position to the ACC or off during test mode (signal check), DTCs of the signal ...