Toyota Sienna Service Manual: 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
...
Other materials:
Check mode procedure
HINT:
Intelligent tester only:
Compared to normal mode, check mode is more sensitive to
malfunctions. Therefore, check mode can detect the
malfunctions that cannot be detected by normal mode.
NOTICE:
All the stored DTCs and freeze frame data are erased if:
the ECM is changed from nor ...
Crankshaft Position Sensor "A" Circuit
DTC P0335 Crankshaft Position Sensor "A" Circuit
DTC P0339 Crankshaft Position Sensor "A" Circuit Intermittent
DESCRIPTION
The Crankshaft Position (CKP) sensor system consists of a CKP sensor plate
and a pickup coil. The
sensor plate has 34 teeth and is installed on the cra ...
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