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Toyota Sienna Service Manual: Noise Occurs from Generator while Engine is Running

Toyota Sienna Service Manual / Engine / 2Gr-fe charging / Charging system / On-vehicle inspection / Noise Occurs from Generator while Engine is Running

INSPECTION PROCEDURE

1 CHECK LOOSENESS OF V-RIBBED BELT

(a) Check the tension of the belt by pushing it down with a finger.

OK: The tension of the belt is enough.

2 CHECK V-RIBBED BELT FOR WEAR

(a) Check the V-ribbed belt for wear.

OK: The V-ribbed belt is not worn.

3 CHECK CLUTCH PULLEY FOR WEAR

(a) Check the clutch pulley groove for wear or other defects.

OK: The clutch pulley groove is not damaged.

4 CHECK FOR NOISE WHILE CLUTCH PULLEY IS OPERATING

(a) Perform a road test and check if noise occurs when decelerating.

OK: Noise does not occur.

REPLACE GENERATOR ASSEMBLY

Charge Warning Light Comes ON while Driving
INSPECTION PROCEDURE 1 CHECK LOCK FUNCTION OF CLUTCH PULLEY (a) Check the lock function with the pulley installed in the vehicle. (1) Visually check that the rotor in the generator operates wit ...

Generator
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Other materials:

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ON-VEHICLE INSPECTION 1. INSPECT REAR HEATER RELAY (a) Remove the rear heater relay. (b) Measure the resistance according to the value(s) in the table below. Standard resistance If the resistance is not as specified, replace the rear heater relay. ...

System description
1. GENERAL  This system uses ultrasonic sensors to detect any obstacles at the corners and the rear of the vehicle. The system then informs the driver of the distance between the sensors and the obstacles as well as their positions by indicating them on the clearance sonar displ ...

SM Solenoid Circuit
DTC C1225/25 SM Solenoid Circuit DESCRIPTION This solenoid turns on when receiving signals the ECU and controls the pressure acting on the wheel cylinders to control the braking force. WIRING DIAGRAM Refer to DTCs C0226/21, C0236/22, C0246/23 and C0256/24 (See page BC-105). INSPECTION PR ...

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