Dtc C1567 Lost Communication Between Eps Ecu And Vgrs Ecu
Steering. Lexus Gs430, Gs300. Uzs190 Grs190
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - STEERING CONTROL ECU)
DTC C1567 Lost Communication between EPS ECU and VGRS ECU |
DESCRIPTION
The power steering ECU assembly communicates with the supervisory microcomputer in the steering control ECU via local CAN communication. If data used for cooperative control via local CAN communication is incorrect, the EPS cooperative control function will stop immediately.DTC No.
| DTC Detection Condition
| Trouble Area
|
C1567
| Local CAN communication error between power steering ECU assembly and steering control ECU.
| - Steering control ECU
- Local CAN communication
|
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - STEERING CONTROL ECU) |
Disconnect A24 connector from the power steering ECU assembly.
Disconnect A42 connector from the steering control ECU.
Measure the resistance according to the value(s) in the table below.
- Resistance:
Tester connection
(Symbols)
| Condition
| Specified condition
|
A24-1 (CAN+) - A42-4 (CAN+)
| Engine switch off
| Below 1Ω
|
A24-8 (CAN-) - A42-9 (CAN-)
| Engine switch off
| Below 1Ω
|
A24-1 (CAN+) - Body ground
| Engine switch off
| 10 k or higher
|
A24-8 (CAN-) - Body ground
| Engine switch off
| 10 k or higher
|
A42-4 (CAN+) - A42-10 (+BI)
| Engine switch off
| 10 k or higher
|
A42-9 (CAN-) - A42-10 (+BI)
| Engine switch off
| 10 k or higher
|
| | REPAIR OR REPLACE LOCAL CAN COMMUNICATION LINE OR CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE STEERING CONTROL ECU |
|
