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 |
Click here .gif)
| 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 |
READ NEXT:
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.
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:
A/F (O2) Sensor Circuit Bank 1 Sensor 2 Circuit Current (Voltage) Below Threshold (P013616,P013A7C)
DESCRIPTION Refer to DTC P003612. Click here
HINT: Although the DTC title say O2 sensor, this DTC relate to the air fuel ratio sensor (sensor 2).
DTC No. Detection Item
DTC Detection Condition Trouble Area
MIL Note
P013616 A/F (O2) Sensor Circuit Bank 1 Sensor 2 C
Installation
INSTALLATION
CAUTION / NOTICE / HINT
COMPONENTS (INSTALLATION)
Procedure
Part Name Code
1
REAR NO. 1 SPRING BUMPER
48341B
-
-
-
2
REAR SUSPENSION S
