DESCRIPTION
The signal check circuit detects trouble in the sensor or switch signals which cannot be detected by the DTC check.
Connecting terminals 12 (TS) and 4 (CG) of the DLC3 starts the signal check.
WIRING DIAGRAM
| *a | Skid Control ECU (Brake Actuator Assembly) |
| *b | Power Steering ECU Assembly |
| *c | CAN Communication Line |
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output Click here.
| Result | Proceed to |
|---|---|
| DTC not output | A |
| DTC output | B |
| B |
|
GO TO CAN COMMUNICATION SYSTEM Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (DLC3 - POWER STEERING ECU)
Disconnect the power steering ECU connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND)
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| Result | Proceed to |
|---|---|
| NG | A |
| OK (for LHD) | B |
| OK (for RHD) | C |
| A |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| B |
|
REPLACE POWER STEERING ECU ASSEMBLY Click here |
| C |
|
REPLACE POWER STEERING ECU ASSEMBLY Click here |