DESCRIPTION The power
steering ECU (rack and pinion power steering gear assembly) determines
whether an incompatible ECM, main body ECU (multiplex network body ECU)
or skid control ECU (brake actuator assembly) is installed based on the
identification information.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Warning Indicate | Return-to-normal Condition |
Note | C1567 |
Error in Matching of ECUs |
- An incompatible ECM is detected
- An incompatible main body ECU (multiplex network body ECU) is detected
- An incompatible skid control ECU (brake actuator assembly) is detected
|
- Incorrect ECM
- Incorrect main body ECU (multiplex network body ECU)
- Incorrect skid control ECU (brake actuator assembly)
- Rack and pinion power steering gear assembly
| EPS warning light: Comes on |
Engine switch on (IG) again |
- | CAUTION / NOTICE / HINT
NOTICE: If
the rack and pinion power steering gear assembly has been replaced,
perform assist map writing and torque sensor zero point calibration. Click here
PROCEDURE
(a) Confirm if the related part has the correct part number.
Related Part | ECM | Main body ECU (Multiplex network body ECU) |
Skid control ECU (Brake actuator assembly) |
NOTICE: When removing the related part to check it, be sure to follow the appropriate procedures and precautions.
- ECM
Click here
- Main body ECU (Multiplex network body ECU)
Click here
- Skid control ECU (Brake actuator assembly)
Click here
Result | Proceed to |
The related part has the correct part number. |
A | The related part has an incorrect part number. |
B |
B |
| GO TO STEP 3 |
A |
| |
(a) Select Health Check on the Techstream screen and check if system DTCs of the related part are output.
HINT: If
system DTCs of the related part are stored, assist map writing to the
power steering ECU (rack and pinion power steering gear assembly) may
not be performed properly.
Result | Proceed to |
System DTCs of the related part are output. |
A | System DTCs of the related part are not output. |
B |
A |
| REPAIR CIRCUIT INDICATED BY OUTPUT CODE |
B |
| REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY |
3. |
REPLACE RELATED PART WITH PART THAT HAS CORRECT PART NUMBER |
(a) Replace the related part with one that has the correct part number.
- ECM
Click here
- Main body ECU (Multiplex network body ECU)
Click here
- Skid control ECU (Brake actuator assembly)
Click here
NEXT |
| |
(a) Check for DTCs. Chassis > EMPS > Trouble Codes
Result | Proceed to |
DTCs are not output. |
A | DTCs are output. |
B |
A |
| END |
B |
| REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY | |