Toyota Yaris: Charging System / Generator "A" Mechanical Performance Mechanical Failure (P065C07)
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 |
|---|---|---|---|---|---|
| P065C07 | Generator "A" Mechanical Performance Mechanical Failure | All of the following conditions are met (1 trip detection logic):
|
| Comes on | SAE Code: P065C |
WIRING DIAGRAM
Refer to the wiring diagram for the P062049.
Click here
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
| 1. | CHECK FAN AND GENERATOR V BELT |
Click here
| NG |
 | REPAIR OR REPLACE FAN & GENERATOR V BELT |
|
| 2. | CHECK V-RIBBED BELT TENSIONER ASSEMBLY |
Click here
| NG |
 | REPAIR OR REPLACE V-RIBBED BELT TENSIONER ASSEMBLY |
|
| 3. | CHECK GENERATOR ASSEMBLY WIRING |
Click here
| NG |
 | REPAIR OR REPLACE GENERATOR ASSEMBLY WIRING |
|
| 4. | CHECK FOR ABNORMAL NOISE |
Click here
| NG |
 | REPAIR OR REPLACE GENERATOR ASSEMBLY |
|
| 5. | CHARGING CIRCUIT WITHOUT LOAD |
Click here
| NG |
 | REPAIR OR REPLACE GENERATOR ASSEMBLY |
|
| 6. | CHARGING CIRCUIT WITH LOAD |
Click here
| OK |
 | CHECK FOR INTERMITTENT PROBLEMS |
| NG |
 | REPAIR OR REPLACE GENERATOR ASSEMBLY |
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...
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DESCRIPTION The auxiliary battery condition is calculated from the voltage when the engine is running (except when cranking) and then output to the ECM...
Other information:
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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Crankshaft Position Sensor "A" Signal Stuck in Range (P03352A,P033531)
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Liftgate/Trunk Lid
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
