Toyota Corolla Cross: 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 |
Warning Indicate |
Note |
|---|---|---|---|---|---|---|
|
P062049 |
Generator Control Circuit Internal Electronic Failure |
(1 trip detection logic) All of the following conditions are met (1 trip detection logic):
|
Generator assembly |
Does not come on |
Charge warning light: 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. |
INSPECT CHARGING CIRCUIT WITHOUT LOAD |
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| NG | .gif) |
REPAIR OR REPLACE GENERATOR ASSEMBLY |
|
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|
2. |
INSPECT CHARGING CIRCUIT WITH LOAD |
Click here
| OK | |
CHECK FOR INTERMITTENT PROBLEMS |
| NG | |
REPAIR OR REPLACE GENERATOR ASSEMBLY |
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The ECM receives the result via LIN communication and stores a DTC.
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DESCRIPTION
The ECM determines the battery status according to the voltage of the BATT terminal
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DTC No.
Detection Item
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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.
Detection Item
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Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT
NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
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