|
|
P0689-AUTO SHUTDOWN RELAY SENSE CIRCUIT LOW (CONTINUED) 3. (A955) ASD RELAY OUTPUT CIRCUIT OPEN Disconnect the C4 IPM harness connector. Measure the resistance of the (A955) ASD Relay Output circuit from Is the resistance below 5.0 ohms? Yes >> Go To 4 No >> Repair the open in the (A955) ASD Relay Output circuit, replace the IPM per Service Information. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 4. (A955) ASD RELAY OUTPUT CIRCUIT SHORTED TO GROUND Measure the resistance between ground and the (A955) ASD Relay Is the resistance below 100 ohms? Yes >> Repair the short to ground in the (A955) ASD Relay Con- trol circuit, replace the IPM per Service Information.. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 No >> Go To 5 5. ASD RELAY Measure the resistance of the ASD Relay Coil between terminals 86 and 85. Is the resistance between 60 and 80 ohms? Yes >> Go To 6 No >> Replace the ASD Relay. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE) 9 - 598 ENGINE ELECTRICAL DIAGNOSTICS ND |