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P0123-THROTTLE POSITION SENSOR 1 CIRCUIT HIGH (CONTINUED) 4. (K22) TP SENSOR NO.1 SIGNAL 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 5 No >> Repair the open in the (K22) TP Sensor No.1 Signal cir- cuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 5. (K22) TP SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO THE (F855) 5-VOLT SUPPLY CIRCUIT Measure the resistance between the (K22) TP Sensor No.1 Signal cir- Is the resistance below 100 ohms? Yes >> Repair the short between the (F855) 5-volt Supply circuit and the (K22) TP Sensor No.1 Signal circuit. Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 No >> Go To 6 9 - 114 ENGINE ELECTRICAL DIAGNOSTICS ND |