Checking Problems That Do Not Constantly Occur

Check mode (wiring harness and connector instantaneous interruption check)
NOTE: When a defective system is found by diagnostic codes output in DTC (check mode) check, narrow down defective part by the following procedure.
1. Use SSM3 to display the [Transmission Control System/Work Support] screen according to the screen display.
2. Select [Test Mode Change] to switch to the check mode.
3. After reading diagnostic codes in the check mode, clear the diagnostic codes memory.
4. Select the check mode and start the engine.
5. With the vehicle idling, swing the wiring harness and connector of the defective system which is output in DTC (check mode) check.
6. When the check engine warning light is illuminated, the wiring harness or connector at the point may have poor contact.
7. After check, be sure to select [Test Mode Change] to switch to the normal mode.