Test Mode Procedure

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 power switch OFF.
2. Connect the Intelligent tester or Techstream to the DLC3
3. Turn the power switch ON (IG) and the tester ON.
4. Enter the following menus.
   1. Intelligent tester - Select. DIAGNOSIS / OBD/ MOBD / CHASSIS / AIR SUSPENSION / SIGNAL CHECK
   2. Techstream - Select. Chassis / Air suspension / Utility / Signal Check
5. Read the test mode DTCs by following the prompts on the tester screen
6. After completing the test mode, disconnect the tester and turn the power switch OFF

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.

1. 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 table below.
   DIAGNOSTIC TROUBLE CODE CHART
   
   

   DTC Code	Detection Item	Trouble Area	Deletion Condition
   C1796	Front acceleration sensor RH circuit malfunction	Suspension control ECU (houses front acceleration sensor RH)	On level surface, G sensor input is +/-1 96 m/s2 or less
   C1797	Front acceleration sensor LH circuit malfunction	Front acceleration sensor LH Front acceleration sensor LH circuit Suspension control ECU
   C1798	Rear acceleration sensor circuit malfunction	Rear acceleration sensor Rear acceleration sensor circuit Suspension control ECU