Check Mode Procedure

CHECK MODE PROCEDURE

1. CHECK MODE PROCEDURE (Using Intelligent Tester or Techstream)
a. Check and ensure the following conditions:
1. Battery positive voltage 11 V or higher.
2. Throttle valve fully closed.
3. Shift lever in the P or N position.
4. A/C switch OFF.

b. Turn the ignition switch OFF.
c. Connect the intelligent tester or Techstream to the DLC3.
d. Turn the ignition switch ON.
e. Turn the tester ON.
1. Intelligent tester - Select: DIAGNOSIS / ENHANCED OBD II / CHECK MODE
2. Techstream - Select: Air Bag / Check Mode

f. Switch the ECM from normal mode.
g. Make sure that the MIL flashes.
h. Start the engine.
i. Make sure the MIL turns off.
j. Simulate the conditions of the malfunction described by the customer.
k. Check DTCs and freeze frame data using the tester.