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3. VACUUM RESERVOIR SOLENOID CONTROL CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the ECM harness connectors. Measure the resistance between ground and the Vacuum Reservoir Is the resistance above 1000 ohms? Yes >> Go To 4 No >> Repair the Vacuum Reservoir Solenoid Control circuit for a short to ground. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 4. VACUUM RESERVOIR SOLENOID CONTROL CIRCUIT OPEN Turn the ignition off. Disconnect the Vacuum Reservoir Solenoid harness connector. Disconnect the ECM harness connectors. Measure the resistance of the Vacuum Reservoir Solenoid Control cir- Is the resistance below 10.0 ohms? Yes >> Go To 5 No >> Repair the Vacuum reservoir Solenoid Control circuit for an open. Perform the ECM Verification Test Ver. 1 (Refer to 9 - 9 - 1442 ENGINE DIESEL DIAG KJ |