HYBRID CONTROL SYSTEM, Diagnostic DTC:P0A1A-151, P0A1A-155, P0A1A-156, P0A1A-166, P0A1A-658, P0A1A-659, P0A1A-791, P0A1B-163, P0A1B-164, P0A1B-192, P0A1B-193, P0A1B-198, P0A1B-511, P0A1B-512, P0A1B-661, P0A1B-786, P0A1B-794, P0A1C-706, P0A1C-708, P0A1C-709, P0A1C-710, P0A1C-713, P0A1C-797

DTC Code DTC Name
P0A1A-151 Generator Control Module
P0A1A-155 Generator Control Module
P0A1A-156 Generator Control Module
P0A1A-166 Generator Control Module
P0A1A-658 Generator Control Module
P0A1A-659 Generator Control Module
P0A1A-791 Generator Control Module
P0A1B-163 Drive Motor "A" Control Module
P0A1B-164 Drive Motor "A" Control Module
P0A1B-192 Drive Motor "A" Control Module
P0A1B-193 Drive Motor "A" Control Module
P0A1B-198 Drive Motor "A" Control Module
P0A1B-511 Drive Motor "A" Control Module
P0A1B-512 Drive Motor "A" Control Module
P0A1B-661 Drive Motor "A" Control Module
P0A1B-786 Drive Motor "A" Control Module
P0A1B-794 Drive Motor "A" Control Module
P0A1C-706 Drive Motor "B" Control Module
P0A1C-708 Drive Motor "B" Control Module
P0A1C-709 Drive Motor "B" Control Module
P0A1C-710 Drive Motor "B" Control Module
P0A1C-713 Drive Motor "B" Control Module
P0A1C-797 Drive Motor "B" Control Module

DESCRIPTION

The MG ECU, which is built into the inverter with converter assembly, monitors its internal operation and will store DTCs if the system is malfunctioning. If any of the following DTCs are output, replace the inverter with converter assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A1A-151 Generator Control Module

MG ECU internal malfunction:

Run pulse signal cycle deviation or stop

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-155 Generator Control Module

MG ECU internal malfunction:

A/D converter malfunction

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-156 Generator Control Module

MG ECU internal malfunction:

CPU ROM-RAM error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-166 Generator Control Module

MG ECU internal malfunction:

R/D converter NM stop error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-658 Generator Control Module

MG ECU internal malfunction:

Calculation check error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-659 Generator Control Module

MG ECU internal malfunction:

Communication error (from generator (MG1) to motor (MG2))

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1A-791 Generator Control Module

MG ECU internal malfunction:

R/D converter communication error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-163 Drive Motor "A" Control Module

MG ECU internal malfunction:

IPM positive power source error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-164 Drive Motor "A" Control Module

MG ECU internal malfunction:

IPM negative power source error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-192 Drive Motor "A" Control Module

MG ECU internal malfunction:

A/D converter malfunction

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-193 Drive Motor "A" Control Module

MG ECU internal malfunction:

CPU ROM-RAM error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-198 Drive Motor "A" Control Module

MG ECU internal malfunction:

R/D converter NM stop error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-511 Drive Motor "A" Control Module

MG ECU internal malfunction:

Standard voltage for analog signal offset (+2.5 V) error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-512 Drive Motor "A" Control Module

MG ECU internal malfunction:

Standard voltage for analog signal (+5 V) error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-661 Drive Motor "A" Control Module

MG ECU internal malfunction:

Communication error (from motor (MG2) to generator (MG1))

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-786 Drive Motor "A" Control Module

MG ECU internal malfunction:

Calculation check error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1B-794 Drive Motor "A" Control Module

MG ECU internal malfunction:

R/D converter communication error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-706 Drive Motor "B" Control Module

MG ECU internal malfunction:

CPU ROM-RAM error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-708 Drive Motor "B" Control Module

MG ECU internal malfunction:

CPU ROM-RAM error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-709 Drive Motor "B" Control Module

MG ECU internal malfunction:

R/D converter communication error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-710 Drive Motor "B" Control Module

MG ECU internal malfunction:

Calculation check error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-713 Drive Motor "B" Control Module

MG ECU internal malfunction:

R/D converter NM stop error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
P0A1C-797 Drive Motor "B" Control Module

MG ECU internal malfunction:

R/D converter communication error

(1 trip detection logic)

 Inverter with converter assembly Comes on

Master Warning Light:

Comes on
Related Data List
DTC No. Data List
P0A1A-791 Generator (MG1) Rev
P0A1B-794 Motor (MG2) Revolution
P0A1C-797 Rear Motor Revolution

P0A1A-151

P0A1A-155

P0A1A-156

P0A1A-166

P0A1A-658

P0A1A-659

P0A1B-163

P0A1B-164

P0A1B-192

P0A1B-193

P0A1B-511

P0A1B-512

P0A1B-661

P0A1B-786

P0A1C-706

P0A1C-708

P0A1C-709

P0A1C-710

P0A1C-713

 -

CAUTION / NOTICE / HINT

Tech Tips


  • If DTC P0A1A-151, P0A1A-155, P0A1A-658, P0A1A-659, P0A1A-791, P0A1B-163, P0A1B-164, P0A1B-192, P0A1B-511, P0A1B-512, P0A1B-661, P0A1B-786, P0A1B-794, P0A1C-706, P0A1C-709, P0A1C-710 or P0A1C-797 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Turn the power switch on (IG) and wait for 5 seconds or more.

  • If DTC P0A1A-156, P0A1B-193 or P0A1C-708 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Turn the power switch on (IG) and wait for 1 minute or more.

  • If DTC P0A1A-166 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Turn the power switch on (READY).

    2. With the vehicle stopped and the shift lever in P, depress the accelerator pedal and start the engine.

    3. Depress the accelerator pedal and keep the engine running for 30 seconds or more.

  • If DTC P0A1B-198 or P0A1C-713 is output, clear the DTCs, perform the following procedure, and check that the same DTC is not output after the repair.


    1. Turn the power switch on (READY).

    2. Drive the vehicle at 5 km/h (3 mph) or more for 30 seconds or more.

PROCEDURE


  1. REPLACE INVERTER WITH CONVERTER ASSEMBLY

    Click here

    Result
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    COMPLETED