DTC    P0A1B-163    Drive Motor "A" Control Module

DTC    P0A1B-164    Drive Motor "A" Control Module

DTC    P0A1B-195    Drive Motor "A" Control Module

DTC    P0A1B-511    Drive Motor "A" Control Module

DTC    P0A1B-512    Drive Motor "A" Control Module

DTC    P0A1B-794    Drive Motor "A" Control Module

for Preparation Click here


DESCRIPTION

The MG ECU monitors internal operations and detects a malfunction.

DTC No.
INF Code
DTC Detection Condition
Trouble Area
P0A1B
163
Power source [24 V] error
w/ converter inverter assembly (MG ECU)
↑
164
Power source [-5 V] error
w/ converter inverter assembly (MG ECU)
↑
195
CPU recognition error
w/ converter inverter assembly (MG ECU)
↑
511
Power source [2.5 V] error
w/ converter inverter assembly (MG ECU)
↑
512
Power source [5 VA] error
w/ converter inverter assembly (MG ECU)
↑
794
R/D converter communication error
w/ converter inverter assembly (MG ECU)

MONITOR DESCRIPTION

The MG ECU performs diagnostic monitoring to verify proper operation of internal ECU systems. In one of these monitors, the MG ECU monitors the power supply for the motor main CPU. If the MG ECU detects a failure in the power supply of the motor main CPU, the HV control ECU illuminates the MIL and sets a DTC.

INSPECTION PROCEDURE

1.REPLACE W/ CONVERTER INVERTER ASSEMBLY

NEXT

COMPLETED