Toyota Tacoma (2015-2018) Service Manual: Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE
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1. |
CONFIRM PROBLEM SYMPTOM |
(a) Confirm the problem symptom.
Result|
Result |
Proceed to |
|---|---|
|
Noise occurs from fan and generator V belt |
A |
|
Noise occurs from generator assembly |
B |
| B | .gif) |
GO TO STEP 6 |
|
.gif)
|
2. |
CHECK FAN AND GENERATOR V BELT FOR WEAR |
(a) Check the fan and generator V belt for wear or damage.
OK:
The fan and generator V belt is not worn or damaged.
| NG | |
REPLACE FAN AND GENERATOR V BELT |
|
|
3. |
CHECK GENERATOR PULLEY WITH CLUTCH FOR WEAR |
(a) Check the generator pulley with clutch grooves for wear or damage.
OK:
The generator pulley with clutch grooves are not worn or damaged.
| NG | |
REPLACE GENERATOR PULLEY WITH CLUTCH |
|
|
4. |
CHECK FOR NOISE WHILE CLUTCH PULLEY IS OPERATING |
(a) Start the engine and check the generator pulley with clutch for looseness.
OK:
The generator pulley with clutch is not loose.
| NG | |
TIGHTEN GENERATOR PULLEY WITH CLUTCH TO SPECIFIED TORQUE |
|
|
5. |
INSPECT GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION) |
(a) Remove the generator assembly (See page .gif)
).
(b) Check the installation condition of the generator pulley cap.
OK:
The generator pulley cap is not loose or missing.
(c) Check for grease leaks (for wet pulley) or particle formation due to friction (for dry pulley).
OK:
No grease leaks (for wet pulley) or large build-up of particles (for dry pulley).
(d) Check the generator pulley with clutch for misalignment (interference with the generator assembly).
OK:
The generator pulley with clutch is correctly aligned (no interference with the generator assembly).
|
(e) Turn the generator pulley with clutch clockwise and counterclockwise by hand and check for noise. OK: Noise does not occur when turned in both directions. |
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.png)
(f) Turn the generator pulley with clutch clockwise and counterclockwise by hand and visually check for runout.
OK:
The generator pulley with clutch does not have runout.
|
(g) Using a screwdriver, hold the fan of the generator rotor assembly located inside the generator assembly in place and check that the generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise. OK: The generator pulley with clutch locks when turned clockwise and turns freely when turned counterclockwise. |
|
.png)
| OK | |
INSPECT PULLEY OTHER THAN GENERATOR ASSEMBLY PULLEY |
| NG | |
REPLACE GENERATOR PULLEY WITH CLUTCH |
|
6. |
CHECK FOR NOISE WHEN ROTOR IS TURNING FREELY |
(a) Perform a road test and check that noise does not occur when decelerating.
OK:
Noise does not occur.
(b) Turn the engine off and check that no noise is produced by the generator pulley with clutch as the engine stops.
OK:
Noise does not occur.
| NG | |
REPLACE GENERATOR PULLEY WITH CLUTCH |
|
|
7. |
CHECK ENGAGEMENT OF GENERATOR PULLEY WITH CLUTCH |
(a) Remove the generator assembly (See page
).
|
(b) Using a screwdriver, hold the fan in the generator rotor assembly located inside the generator assembly in place and check that the generator pulley with clutch locks when turned clockwise (locking direction). OK: The generator pulley with clutch locks. |
|
| OK | |
REPAIR OR REPLACE GENERATOR ASSEMBLY |
| NG | |
REPLACE GENERATOR PULLEY WITH CLUTCH |
Charging Failure
PROCEDURE
1.
CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION)
(a) Start the engine and visually check if the fan of the generator rotor assembly
located i ...
Generator
...
Other materials:
Interior Light Auto Cut Circuit
DESCRIPTION
When the battery saving control operates, the main body ECU (multiplex network
body ECU) controls the operation of the DOME CUT relay, that is built in to the
driver side junction block, to turn off the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
In ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
PROCEDURE
1. INSTALL REAR AIRBAG SENSOR LH
(a) Check that the ignition switch is OFF.
(b) Check that the cable is disconnected from the battery negative (-) terminal.
CAUTION:
After disconnecting the cable from the terminal, wait for at least 90 seconds
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or sig ...
