|
|
3. WIRE HARNESS INSPECTION Turn the ignition off. Visually inspect the related wire harness including the ground circuit. Look for any chafed, pierced, pinched, or par- Visually inspect the related wire harness connectors. Look for broken, bent, pushed out, or corroded terminals. Make sure the Crankshaft Position Sensor and the Camshaft Position Sensor are properly installed and the mount- Refer to any TSBs that may apply. Were any of the above conditions present? Yes >> Repair as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 4 4. (F856) 5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND Disconnect the CMP Sensor connector. Ignition on, engine not running. Measure the voltage on the (F856) 5-volt Supply circuit in the CMP har- Is the voltage between 4.5 and 5.2 volts? Yes >> Go To 5 No >> Repair the open or short to ground in the (F856) 5-volt Sup- ply circuit. Use Miller special tool #8815 when checking for Perform the POWERTRAIN VERIFICATION TEST. (Refer to 5. TONE WHEEL/PULSE RING INSPECTION Turn the ignition off. Carefully disconnect the Battery Ground cable. Remove the Camshaft Position Sensor. Inspect the Tone Wheel/Pulse Ring for damage, foreign material, or excessive movement. Were any problems found? Yes >> Repair or replace the Tone Wheel/Pulse Ring as necessary. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 6 9 - 322 ENGINE ELECTRICAL DIAGNOSTICS KJ |