October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

4.0L CEC System: Testing

NOTE: Refer to Fig 1 through Fig 3 for Testing information.

Fig 1: Throttle Position Sensor Diagnostics

Fig 2: Fuel Injector Diagnostics

Fig 3: ECU Connector Pin & Diagnostic Connector Pin Identification