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6E1–111 X22SE 2.2L ENGINE DRIVEABILITY AND EMISSION DTC P0121 TP Sensor/Range Performance Problem (Cont'd) Step No Yes Value(s) Action 7 Check the 5 volt signal circuit, between the TP sensor D An open circuit D A short to ground D A short to voltage Was the problem found? — Verify repair Go to Step 8 8 1. Ignition OFF. and the 5 volt signal circuit both at the wiring 3. Ignition ON, Engine OFF. Does the Tech 2 read the following value? about 5 volts 100% Go to Step 9 Go to Step 12 9 Check the TP sensor ground circuit, between the TP D An open circuit D A short to ground D A short to voltage Was the problem found? — Verify repair Go to Step 10 10 1. Ignition OFF. voltage, between the ground circuit and the 5 volt 3. Ignition ON, Engine OFF. Does the DVM read the following value? about 5 volts Go to Step 11 Go to Step 12 11 Replace the TP sensor. — — — 12 Replace the ECM. — — — |