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P0121-THROTTLE POSITION SENSOR 1 PERFORMANCE (CONTINUED) 4. EXCESSIVE RESISTANCE IN THE (K22) TP SENSOR NO.1 SIGNAL CIRCUIT AND (K122) TP SENSOR Turn the ignition off. Disconnect the C2 PCM harness connector. CAUTION: Do not probe the PCM harness connectors. Probing Measure the resistance of the (K122) TP Sensor No.2 Signal circuit Is the resistance below 5.0 ohms for each circuit? Yes >> Go To 5 No >> Repair the excessive resistance in the (K22) TP Sensor No.1 Signal circuit or the (K122) TP Sensor No.2 Signal Perform the POWERTRAIN VERIFICATION TEST. (Refer HB ENGINE ELECTRICAL DIAGNOSTICS 9 - 115 |