Test Mode Procedure

TEST MODE PROCEDURE

TEST MODE

HINT:
- By switching from normal mode into test mode, you can inspect the height control switch, absorber control switch, front acceleration sensor and rear acceleration sensor.
- 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 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.







a. Procedure for Test Mode.
1. Make sure that the ignition switch is off.
2. Set each of the check items to the condition in Operation (A) in the Test mode table.
3. Connect the hand-held tester to the DLC3.
4. Turn the ignition switch to the ON position.
5. Select the SIGNAL CHECK mode on the hand-held tester.
6. Set each of the check items to the condition in Operation (B) in the Test mode table.

HINT: In step (6), all signals can be checked together.

7. Read the test mode DTCs by following the prompts on the tester screen.

HINT: Refer to the hand-held tester operator's manual for further details.

C1786 - C1793:

DTC of Air Suspension System test mode function:
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 the respective "DTC No." in the chart.

8. After completing the test mode, disconnect the tester and turn the ignition switch off.