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:
DISASSEMBLY PROCEDURE 1. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY (a) Disengage the claws and guides to remove the lower defroster nozzle assembly.
2. REMOVE COOLER PIPE GROMMET (a) Remove the cooler pipe grommet.
3. REMOVE COOLER EXPANSION VALVE (a) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and cooler expansion valve...
ComponentsCOMPONENTS ILLUSTRATION
*1 ECO RUN CANCEL SWITCH ASSEMBLY (COMBINATION SWITCH ASSEMBLY) - - RemovalREMOVAL PROCEDURE 1. REMOVE ECO RUN CANCEL SWITCH ASSEMBLY (COMBINATION SWITCH ASSEMBLY) Click here
InspectionINSPECTION PROCEDURE 1...
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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