|
|
P0052-O2 SENSOR 2/1 HEATER CIRCUIT HIGH (CONTINUED) 5. (K199) O2 2/1 HEATER CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE Turn the ignition off. Disconnect the C3 PCM harness connector. Ignition on, engine not running. Using a 12-volt test light connected to ground, probe the (K199) O2 Does the test light illuminate? Yes >> Repair the short to battery voltage in the (K199) O2 2/1 Heater Control circuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer No >> Go To 6 6. (K199) O2 2/1 HEATER CONTROL CIRCUIT OPEN Turn the ignition off. CAUTION: Do not probe the PCM harness connectors. Probing Is the resistance below 5.0 ohms? Yes >> Go To 7 No >> Repair the open in the (K199) O2 2/1 Heater Control cir- cuit. Perform the POWERTRAIN VERIFICATION TEST. (Refer 9 - 40 ENGINE ELECTRICAL DIAGNOSTICS WK |