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P0533-A/C SENDING UNIT VOLTS TOO HIGH (CONTINUED) 2. HARNESS OPEN Turn the ignition off. Disconnect the A/C pressure sending unit harness connector. Check connectors - Clean/repair as necessary. Turn the ignition on. Measure the voltage between the (F855) 5-volt supply circuit and Is the voltage between 4.5 and 5.5 volts? Yes >> Go To 3 No >> Go To 4 3. A/C PRESSURE SENSOR While monitoring scan tool, use a jumper wire to connect the (K916) Did P0532 set? Yes >> Replace the A/C pressure sensor. Perform POWERTRAIN VERIFICATION TEST VER - 1 No >> Go To 4 9 - 1310 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |