FOUR WHEEL DRIVE CONTROL SYSTEM, Diagnostic DTC:C1297/97
| DTC Code | DTC Name |
|---|---|
| C1297/97 | Steering Angle Sensor |
DESCRIPTION
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The 4WD ECU assembly determines that the vehicle is turning based on the signals sent from the steering sensor.
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The steering sensor signal is sent to the 4WD ECU assembly via CAN communication system.
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The 4WD ECU assembly detects the amount of steering wheel movement and performs "slip control at vehicle start up", according to the amount of movement, and "slip control" to secure high turning performance.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1297/97 | When the voltage of the 4WD ECU assembly IG1 terminal is 9.5 V or more, the steering sensor malfunction signal is received. |
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INSPECTION PROCEDURE
Tech Tips
Check the condition of each related circuit connector before troubleshooting Click here.
PROCEDURE
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CHECK DTC
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Clear the DTC Click here.
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Turn the engine switch off.
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Turn the engine switch on (IG) and check that no CAN communication system DTC is output.
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Start the engine.
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Drive the vehicle and turn the steering wheel to the right and left at a speed of 35 km/h (22 mph) and check that no brake control system (steering sensor) DTC (C1432, C1433 or C1434) is output Click here.
Result Result Proceed to Neither CAN communication system DTC nor brake control system DTC is output A CAN communication system DTC is output B Brake control system (steering sensor) DTC (C1432, C1433 or C1434) is output C Tech Tips
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
B 
REPAIR CIRCUIT INDICATED BY OUTPUT CODE (CAN COMMUNICATION SYSTEM) Click here
C
REPAIR CIRCUIT INDICATED BY OUTPUT CODE (BRAKE CONTROL SYSTEM) Click here
A 
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READ VALUE USING GTS (STEERING ANGLE VALUE)
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Connect the GTS to the DLC3.
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Start the engine.
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Enter the following menus: Chassis / Four Wheel Drive / Data List Click here.
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Check that the steering sensor value changes in accordance with the steering wheel movement.
Four Wheel Drive Tester Display Measurement Item/Range Normal Condition Diagnostic Note Steering Angle Value Steering angle value / min.: -3276.8°, max.: 3276.7° Left turn: Increase
Right turn: Decrease
- OK The steering sensor value changes in accordance with the steering wheel movement.
NG
REPLACE STEERING SENSOR Click here
OK 
REPLACE 4WD ECU ASSEMBLY Click here
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