Dtc C15A5/65 Actuator Malfunction
Steering. Lexus Gs430, Gs300. Uzs190 Grs190
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK WIRE HARNESS
CHECK STEERING ACTUATOR
DTC C15A5/65 Actuator Malfunction |
DESCRIPTION
If the steering control ECU detects a malfunction in the lock mechanism, it will turn the master warning light on, store the DTC C15A5/65, and stop VGRS operation.DTC No.
| DTC Detecting Condition
| Trouble Area
|
C15A5/65
| The steering control ECU detects that the LG terminal voltage is abnormal.
| - Wire harness and connector
- Steering actuator
- Steering control ECU
|
WIRING DIAGRAM
INSPECTION PROCEDURE
Turn the engine switch off.
Disconnect the connectors from the steering control ECU and the steering actuator.
Measure the resistance according to the value(s) in the table below.
- Resistance:
Tester connection
| Specified condition
|
L70-3 (LV) - L26-7 (LV+)
| Below 1 Ω
|
L70-12 (LG) - L26-16 (LG+)
| Below 1 Ω
|
L70-3 (LV) - Body ground
| 10 kΩ or higher
|
L70-12 (LG) - Body ground
| 10 kΩ or higher
|
Turn the engine switch on (IG).
Measure the voltage according to the value(s) in the table below.
- Voltage:
Tester connection
| Specified condition
|
L70-3 (LV) - Body ground
| Below 1 V
|
L70-12 (LG) - Body ground
| Below 1 V
|
| REPAIR OR REPLACE WIRE HARNESS |
|
|
2.CHECK STEERING ACTUATOR |
Turn the engine switch off.
Connect the connector to the steering control ECU.
Measure the resistance according to the value(s) in the table below.
- Resistance:
Tester connection
| Specified condition
|
L26-7 (LV+) - L26-16 (LG+)
| 10 to 100 Ω
|
L26-7 (LV+) - Body ground
| 10 kΩ or higher
|
L26-16 (LG+) - Body ground
| 10 kΩ or higher
|
| REPLACE STEERING ACTUATOR |
|
|
OK |
|
|
|
REPLACE STEERING CONTROL ECU |
|