Test Mode Procedure

TEST MODE PROCEDURE (USING TECHSTREAM)
HINT:
- When entering the test mode, the suspension control ECU sets all the test mode DTCs first.
  After completing the test mode for each check item, the test mode DTCs that are determined to be normal by the suspension control ECU will be erased. The test mode DTCs for other check items may not be erased when only a certain signal is inspected.
- When the test mode returns back to the normal mode, all the test mode DTCs will be erased.
1. Turn the engine switch off.
2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG).
4. Turn the Techstream on.
5. Enter the following menus: Chassis / Air suspension /Utility/Signal Check.
6. Read the test mode DTCs by following the prompts on the Techstream screen.
7. After completing the test mode, disconnect the Techstream and turn the engine switch off.

TEST MODE DTC TABLE

HINT:

When entering test mode, the suspension control ECU stores all the test mode DTCs. If the deletion conditions for a test mode DTC are met, it is deleted.

If a malfunction code is displayed during the test mode DTC check, check the circuit listed for that code. For details of each code, refer to reference for the respective "DTC Code" in the table.

DTC TABLE

DTC Code	Detection Item	Trouble Area	Deletion Condition
C1796	Front acceleration sensor RH circuit malfunction	Suspension control ECU (built into front acceleration sensor RH)	On level surface, G sensor input is +/-1.96 m/s² or less
C1797	Front acceleration sensor LH circuit malfunction	Left front acceleration sensor Left front acceleration sensor circuit Suspension control ECU
C1798	Rear acceleration sensor circuit malfunction	Rear acceleration sensor Rear acceleration sensor circuit Suspension control ECU