Toyota Yaris: Charging System / Generator Control Circuit Internal Electronic Failure (P062049)
DESCRIPTION
The alternator performs self-diagnosis of its internal circuits to detect malfunctions (open or short circuits).
The ECM receives the result via LIN communication and stores a DTC.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Note |
P062049 | Generator Control Circuit Internal Electronic Failure | All of the following conditions are met (1 trip detection logic): -
Ignition switch ON.
-
Except during engine cranking.
-
Auxiliary battery voltage is 10.5 V or higher.
-
No malfunction in the LIN communication system.
-
Open or short in EXC circuit, or abnormal waveform for PH circuit.
| Generator assembly | Comes on | SAE Code: P0620 |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. | CHARGING CIRCUIT WITHOUT LOAD |
Click here
NG |
| REPAIR OR REPLACE GENERATOR ASSEMBLY |
OK |
| |
2. | CHARGING CIRCUIT WITH LOAD |
Click here
OK |
| CHECK FOR INTERMITTENT PROBLEMS |
NG |
| REPAIR OR REPLACE GENERATOR ASSEMBLY |
DESCRIPTION The battery state sensor assembly detects the voltage, current and temperature of the auxiliary battery. The charging condition is calculated from the voltage and current and output to the ECM...
DESCRIPTION The alternator performs self-diagnosis of its internal circuits to detect malfunctions (open or short circuits). The ECM receives the result via LIN communication and stores a DTC...
Other information:
When driving on ice or in water, snow, mud, sand, or similar hazards:
Be cautious and allow extra distance for braking.
Avoid sudden braking and sudden maneuvering.
Do not pump the brakes. Continue to press down on the brake
pedal. Refer to Antilock Brake System (ABS)...
DESCRIPTION When the windshield washer motor and pump assembly receives signals from the windshield wiper switch assembly, it operates to spray washer fluid from the washer nozzle sub-assemblies. WIRING DIAGRAM
CAUTION / NOTICE / HINT NOTICE: Inspect the fuses of circuits related to this system before performing the following procedure...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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