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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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.
Deterioration of Battery Low Capacity (P160200)
DESCRIPTION
The ECM determines the battery status according to the voltage of the BATT terminal
while the engine is running (not cranking).
DTC No.
Detection Item
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.
Detection Item
SEE MORE:
Calibration
CALIBRATION
NOTICE:
When any of the following parts have been replaced, perform adjustment
shown in the following table. If not, the parking support brake system may not operate
correctly.
PRECAUTION (PROCEDURE 1)
(a) The necessary procedures (adjustment, calibration, initialization
or reg
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the susp
