RM38T0EC _55 Steering _112287 POWER ASSIST SYSTEMS _0510880 POWER STEERING SYSTEM C

POWER ASSIST SYSTEMS  POWER STEERING SYSTEM  C05D604  Power Steering Control Module Processor System Internal Failure  C05D646  Power Steering Control Module Processor Calibration / Parameter Memory Failure  C05D649  Power Steering Control Module Processor Internal Electronic Failure  C10001C  Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range  C152A18  Power Steering Motor "A" Circuit Current Below Threshold  C152A19  Power Steering Motor "A" Circuit Current Above Threshold  C152B18  Power Steering Motor "B" Circuit Current Below Threshold  C152B19  Power Steering Motor "B" Circuit Current Above Threshold  C153A00  Malfunction of Power Steering Motor "A" Inverter Pre-Driver  C153A19  Power Steering Motor "A" Inverter Circuit Current Above Threshold  C153B00  Malfunction of Power Steering Motor "B" Inverter Pre-Driver  C153B19  Power Steering Motor "B" Inverter Circuit Current Above Threshold  C154A7E  Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On  C154A7F  Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off  C154B7E  Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On  C154B7F  Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off  C156A9E  Power Steering Motor "A" Shut Down Relay Stuck On  C156A9F  Power Steering Motor "A" Shut Down Relay Stuck Off  C156B9E  Power Steering Motor "B" Shut Down Relay Stuck On  C156B9F  Power Steering Motor "B" Shut Down Relay Stuck Off  C157A11  Power Steering Motor "A" Current Sensor Circuit Short to Ground  C157A62  Power Steering Motor "A" Current Sensor Signal Compare Failure  C157B11  Power Steering Motor "B" Current Sensor Circuit Short to Ground  C157B62  Power Steering Motor "B" Current Sensor Signal Compare Failure  C159A49  Power Steering Motor "A" Terminal Voltage Detect Circuit Internal Electronic Failure  C159B49  Power Steering Motor "B" Terminal Voltage Detect Circuit Internal Electronic Failure  C15D11C  Power Steering Motor Position Sensor "A" Circuit Voltage Out of Range  C15D162  Power Steering Motor Position Sensor "A" Signal Compare Failure  C15D187  Power Steering Motor Position Sensor "A" Missing Message  C15D21C  Power Steering Motor Position Sensor "B" Circuit Voltage Out of Range  C15D262  Power Steering Motor Position Sensor "B" Signal Compare Failure  C15D287  Power Steering Motor Position Sensor "B" Missing Message  C15D31C  Power Steering Motor Position Sensor "C" Circuit Voltage Out of Range  C15D362  Power Steering Motor Position Sensor "C" Signal Compare Failure  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
C05D604 Power Steering Control Module Processor System Internal Failure ECU internal malfunction
(CPU malfunction)
Power steering ECU assembly EPS warning light: Comes on
C05D646 Power Steering Control Module Processor Calibration / Parameter Memory Failure ECU internal malfunction
(EEPROM error)
Power steering ECU assembly EPS warning light: Comes on
C05D649 Power Steering Control Module Processor Internal Electronic Failure ECU internal malfunction
(Peripheral circuit malfunction)
Power steering ECU assembly EPS warning light: Comes on
C10001C Control Module Internal Temperature Sensor "A" Circuit Voltage Out of Range ECU temperature sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on
C152A18 Power Steering Motor "A" Circuit Current Below Threshold Motor "A" low current malfunction Power steering ECU assembly EPS warning light: Comes on
C152A19 Power Steering Motor "A" Circuit Current Above Threshold Motor "A" overcurrent Power steering ECU assembly EPS warning light: Comes on
C152B18 Power Steering Motor "B" Circuit Current Below Threshold Motor "B" low current malfunction Power steering ECU assembly EPS warning light: Comes on
C152B19 Power Steering Motor "B" Circuit Current Above Threshold Motor "B" overcurrent Power steering ECU assembly EPS warning light: Comes on
C153A00 Malfunction of Power Steering Motor "A" Inverter Pre-Driver Inverter "A" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on
C153A19 Power Steering Motor "A" Inverter Circuit Current Above Threshold Inverter "A" short circuit malfunction Power steering ECU assembly EPS warning light: Comes on
C153B00 Malfunction of Power Steering Motor "B" Inverter Pre-Driver Inverter "B" pre-driver circuit malfunction Power steering ECU assembly EPS warning light: Comes on
C153B19 Power Steering Motor "B" Inverter Circuit Current Above Threshold Inverter "B" short circuit malfunction Power steering ECU assembly Power steering ECU assembly
C154A7E Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck On Contrary connection protection relay "A" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on
C154A7F Power Supply & Contrary Connection Protection Relay "A" Actuator Stuck Off Contrary connection protection relay "A" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on
C154B7E Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck On Contrary connection protection relay "B" short circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on
C154B7F Power Supply & Contrary Connection Protection Relay "B" Actuator Stuck Off Contrary connection protection relay "B" open circuit malfunction (initial check) Power steering ECU assembly EPS warning light: Comes on
C156A9E Power Steering Motor "A" Shut Down Relay Stuck On Motor "A" shut down relay malfunction Power steering ECU assembly EPS warning light: Comes on
C156A9F Power Steering Motor "A" Shut Down Relay Stuck Off When there is an internal malfunction in the ECU Power steering ECU assembly EPS warning light: Comes on
C156B9E Power Steering Motor "B" Shut Down Relay Stuck On Motor "B" shut down relay malfunction Power steering ECU assembly EPS warning light: Comes on
C156B9F Power Steering Motor "B" Shut Down Relay Stuck Off When there is an internal malfunction in the ECU Power steering ECU assembly EPS warning light: Comes on
C157A11 Power Steering Motor "A" Current Sensor Circuit Short to Ground Motor "A" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on
C157A62 Power Steering Motor "A" Current Sensor Signal Compare Failure Motor "A" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on
C157B11 Power Steering Motor "B" Current Sensor Circuit Short to Ground Motor "B" current sensor low voltage malfunction Power steering ECU assembly EPS warning light: Comes on
C157B62 Power Steering Motor "B" Current Sensor Signal Compare Failure Motor "B" current sensor correlation malfunction Power steering ECU assembly EPS warning light: Comes on
C159A49 Power Steering Motor "A" Terminal Voltage Detect Circuit Internal Electronic Failure Motor "A" terminal voltage detection circuit malfunction Power steering ECU assembly EPS warning light: Comes on
C159B49 Power Steering Motor "B" Terminal Voltage Detect Circuit Internal Electronic Failure Motor "B" terminal voltage detection circuit malfunction Power steering ECU assembly EPS warning light: Comes on
C15D11C Power Steering Motor Position Sensor "A" Circuit Voltage Out of Range Rotation angle sensor "A" range malfunction Power steering ECU assembly EPS warning light: Comes on
C15D162 Power Steering Motor Position Sensor "A" Signal Compare Failure Rotation angle sensor "A" correlation malfunction Power steering ECU assembly EPS warning light: Comes on
C15D187 Power Steering Motor Position Sensor "A" Missing Message Rotation angle sensor A lost communication Power steering ECU assembly EPS warning light: Comes on
C15D21C Power Steering Motor Position Sensor "B" Circuit Voltage Out of Range Rotation angle sensor "B" range malfunction Power steering ECU assembly EPS warning light: Comes on
C15D262 Power Steering Motor Position Sensor "B" Signal Compare Failure Rotation angle sensor "B" correlation malfunction Power steering ECU assembly EPS warning light: Comes on
C15D287 Power Steering Motor Position Sensor "B" Missing Message Rotation angle sensor B lost communication Power steering ECU assembly EPS warning light: Comes on
C15D31C Power Steering Motor Position Sensor "C" Circuit Voltage Out of Range Rotation angle sensor "C" range malfunction Power steering ECU assembly EPS warning light: Comes on
C15D362 Power Steering Motor Position Sensor "C" Signal Compare Failure Rotation angle sensor "C" correlation malfunction Power steering ECU assembly EPS warning light: Comes on

CAUTION / NOTICE / HINT

NOTICE:

When the power steering ECU assembly has been replaced, perform Power Steering ECU Initial Setting (assist map writing).

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>CALIBRATION


PROCEDURE

1.CLEAR DTC
a.

Clear the DTCs.

Chassis > EMPS > Clear DTCs
50002 405

Result:
Proceed to
NEXT



NEXT

2.CHECK FOR DTC
2.CHECK FOR DTC
a.

Check for DTCs.

Chassis > EMPS > Trouble Codes
50001 405

Result:
Result Proceed to
Only C05D604, C05D646, C05D649, C10001C, C152A18, C152A19, C152B18, C152B19, C153A00, C153A19, C153B00, C153B19, C154A7E, C154A7F, C154B7E, C154B7F, C156A9E, C156A9F, C156B9E, C156B9F, C157A11, C157A62, C157B11, C157B62, C159A49, C159B49, C15D11C, C15D162, C15D187, C15D21C, C15D262, C15D287, C15D31C or C15D362 is output A
C05D604, C05D646, C05D649, C10001C, C152A18, C152A19, C152B18, C152B19, C153A00, C153A19, C153B00, C153B19, C154A7E, C154A7F, C154B7E, C154B7F, C156A9E, C156A9F, C156B9E, C156B9F, C157A11, C157A62, C157B11, C157B62, C159A49, C159B49, C15D11C, C15D162, C15D187, C15D21C, C15D262, C15D287, C15D31C or C15D362 and other DTCs are output B
None of the above conditions are met C



A

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

C

GO TO DTC CHART