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3. EXCESSIVE RESISTANCE IN THE BATTERY CIRCUIT Turn the ignition off. Check the Battery Cables for excessive resistance using the service information procedure. Did either Battery Cable have a voltage drop greater than 0.2 of a volt? Yes >> Repair the excessive resistance in the Battery circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 4 4. STARTER RELAY Turn ignition off. Remove the Starter Relay from PDC. Install a known good Relay. Will the Starter Motor crank with the new relay? Yes >> Replace the Starter Relay. Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) No >> Go To 5 5. INTERNAL FUSED IGNITION SWITCH OUTPUT CIRCUIT Turn the ignition off. Remove the Starter Relay from the PDC. Ignition on, engine not running. Using a 12-volt test light, probe the Internal Fused Ignition Switch Out- While observing 12-volt test light, hold ignition key in the start position. Does the test light illuminate brightly? Yes >> Go To 6 No >> Repair the excessive resistance in the (F924) Fused Ignition Switch Output circuit. Inspect related fuses and repair as Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - 626 ENGINE ELECTRICAL DIAGNOSTICS KJ |