Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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 inside the generator assembly is operating.

OK:

The fan of the generator rotor assembly is operating.

NG

REPLACE GENERATOR PULLEY WITH CLUTCH

OK

2.

CHECK GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION)

(a) Remove the generator assembly (See page ). (b) Check the installation condition of the generator pulley cap. ).

(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 with clutch pulley 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.

(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.

OK

REPAIR OR REPLACE GENERATOR ASSEMBLY

NG

REPLACE GENERATOR PULLEY WITH CLUTCH

Lost Communication with Alternator Missing Message (P161A87)
DESCRIPTION The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC. DTC No. DTC Detection C ...

Noise Occurs from V-ribbed Belt or Generator Assembly
PROCEDURE 1. CONFIRM PROBLEM SYMPTOM (a) Confirm the problem symptom. Result Result Proceed to Noise occurs from fan and gene ...

Other materials:

Four-wheel drive system
Use the front-wheel drive control switch to select the following transfer modes. H2 (high speed position, two-wheel drive) Use this for normal driving on dry hard-surfaced roads. This position gives greater economy, quietest ride and least wear. H4 (high speed position, four-wheel drive) ...

PTC Heater Circuit
DESCRIPTION PTC HTR heater relays are closed in accordance with signals from the air conditioning amplifier assembly and power is supplied to the quick heater assembly installed on the radiator heater unit. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits rela ...

Clearance Warning Buzzer Circuit
DESCRIPTION This circuit consists of the No. 1 clearance warning buzzer and clearance warning ECU assembly. An ECU-excited type buzzer is used. The battery voltage supplied through the buzzer is grounded inside the clearance warning ECU assembly using a pulsed digital pattern, producing sound ...

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