Test TC-30A - Injector #7 Control Circuit
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, and 1995 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagram, see WIRING DIAGRAMS
section at the end of this article.
- Turn ignition off. Disconnect injector No. 7 connector. Using an external ohmmeter, check resistance between injector terminals. If resistance is not 10-16 ohms, replace injector. Perform TEST VER-2. If resistance is 10-16 ohms, turn ignition on.
- Using scan tool, actuate injector No. 7. Using scan tool in voltmeter mode, check voltage on injector No. 7 connector, Auto Shutdown (ASD) output circuit (Dark Green/Orange wire). If voltage is less than 10 volts, repair open Dark Green/Orange wire or Dark Green/Black wire. Perform TEST VER-2. If voltage is more than 10 volts, turn ignition off.
- Disconnect Powertrain Control Module (PCM) connector. Using an external ohmmeter, check resistance of injector No. 7 driver circuit (Dark Blue/Tan wire) between injector connector (harness side) and PCM connector terminal No. 17. If resistance is more than 5 ohms, repair open Dark Blue/Tan wire or Dark Blue/White wire. Perform TEST VER-2.
- If resistance is less than 5 ohms, use scan tool in ohmmeter mode to check resistance of PCM terminal No. 17 (Dark Blue/Tan wire). If resistance is less than 5 ohms, repair short to ground in Dark Blue/Tan or Dark Blue/White wire. Perform TEST VER-2. If resistance is more than 5 ohms, replace PCM. Perform TEST VER-2.