DTC SUMMARY
MALFUNCTION DESCRIPTION
These DTCs indicate that the resolver output signal is abnormal. The cause of this malfunction may be one of the following:
Area | Main Malfunction Description |
---|---|
Inverter low-voltage circuit |
The connectors are not connected properly |
Hybrid vehicle transaxle assembly |
|
Wire harness between the resolver and inverter with converter assembly |
|
Inside of inverter |
Inverter with converter assembly internal circuit malfunction |
DESCRIPTION
Refer to the system description for the Generator Resolver Circuit.
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DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
---|---|---|---|---|---|---|
P0A4B16 | Generator Position Sensor Circuit Voltage Below Threshold |
Interphase short in the generator resolver circuit: A short circuit between signal lines of generator resolver phases is electrically detected. (1 trip detection logic) |
| Comes on |
Master Warning: Comes on |
SAE Code: P0A4B |
P0A4B1F | Generator Position Sensor Circuit Intermittent |
A short circuit between signal lines of generator resolver phases is electrically detected when DTC P0C7917, P0E5717, P0D3319, P1C5D19, P1C5F19 or P1C5E19 is stored. (1 trip detection logic) |
| Does not come on |
Master Warning: Does not come on |
SAE Code: P0A4F |
MONITOR DESCRIPTION
The motor generator control ECU monitors the Generator resolver output signal. If the motor generator control ECU detects output signals that are out of the normal range or specification, it will conclude that there is a malfunction in the generator resolver, illuminate the MIL and store a DTC.
MONITOR STRATEGY
Related DTCs | P0A4B (INF P0A4B16): Short circuit between phases |
Required sensors/components | Generator resolver |
Frequency of operation | Continuous |
Duration | TMC's intellectual property |
MIL operation | 1 driving cycle |
Sequence of operation | None |
TYPICAL ENABLING CONDITIONS
The monitor will run whenever the following DTCs are not stored |
TMC's intellectual property |
Other conditions belong to TMC's intellectual property |
- |
TYPICAL MALFUNCTION THRESHOLDS
TMC's intellectual property | - |
COMPONENT OPERATING RANGE
Motor generator control ECU | DTC P0A4B (INF P0A4B16) is not detected |
CONFIRMATION DRIVING PATTERN
HINT:
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HINT:
[*1] to [*5]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
HINT:
WIRING DIAGRAM
Refer to the wiring diagram for the Generator Resolver Circuit.
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CAUTION / NOTICE / HINT
CAUTION:
Refer to the precautions before inspecting high voltage circuit.
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NOTICE:
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HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
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HINT:
Malfunction Content | System |
Relevant DTC | |
---|---|---|---|
Insulation malfunction |
Hybrid control system |
P1C7C49 | Hybrid/EV Battery Voltage System Isolation (A/C Area) Internal Electronic Failure |
P1C7D49 | Hybrid/EV Battery Voltage System Isolation (Hybrid/EV Battery Area) Internal Electronic Failure | ||
P1C7E49 | Hybrid/EV Battery Voltage System Isolation (Transaxle Area) Internal Electronic Failure | ||
P1C7F49 | Hybrid/EV Battery Voltage System Isolation (Direct Current Area) Internal Electronic Failure | ||
P1C8049 | Hybrid/EV Battery Voltage System Isolation (Rear Motor Area) Internal Electronic Failure |
Malfunction Content | System |
Relevant DTC | |
---|---|---|---|
Microcomputer malfunction |
Motor generator control system | P0A1A47 |
Generator Control Module Watchdog / Safety MC Failure |
P0A1A49 | Generator Control Module Internal Electronic Failure | ||
P1C2A1C | Generator A/D Converter Circuit Circuit Voltage Out of Range | ||
P1C2A49 | Generator A/D Converter Circuit Internal Electronic Failure | ||
P1C2A71 | Generator A/D Converter Circuit Actuator Stuck | ||
P313483 | Communication Error from Drive Motor "A" to Generator Value of Signal Protection Calculation Incorrect | ||
P313486 | Communication Error from Drive Motor "A" to Generator Signal Invalid | ||
P313487 | Communication Error from Drive Motor "A" to Generator Missing Message | ||
Power source circuit malfunction |
Motor generator control system |
P19F81C | Generator Control Module Offset Power Circuit Voltage Out of Range |
P26DF1C | Generator Control Module Position Sensor REF Power Source Circuit Voltage Out of Range |
PROCEDURE
1. | CHECK CONNECTOR CONNECTION CONDITION (INVERTER WITH CONVERTER ASSEMBLY CONNECTOR) |
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Result | Proceed to |
---|---|
OK | A |
NG (The connector is not connected securely.) |
B |
NG (The terminals are not making secure contact or are deformed, or water or foreign matter exists in the connector.) |
C |
B | CONNECT SECURELY |
C | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. | CHECK GENERATOR RESOLVER CIRCUIT |
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HINT:
If the "Generator Resolver Circuit" inspection results are normal, perform the next step.
NEXT | REPLACE INVERTER WITH CONVERTER ASSEMBLY |