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TP Sensor Adjustment: Mirage

  1. If using scan tool, connect scan tool to OBD-II Data Link Connector (OBD-II DLC). If not using scan tool, disconnect TP sensor 4-pin connector. Connect DVOM (ohmmeter) leads to TP sensor terminals No. 3 (closed throttle position switch) and No. 4 (sensor ground). See Figure. Go to next step.
  2. If vehicle is 1.8L with cruise control, go to next step. If vehicle is 1.5L, or 1.8L without cruise control, insert feeler gauge with thickness of .017" (.45 mm) between fixed Speed Adjusting Screw (SAS) and throttle lever. See Figure. If using scan tool, turn ignition on and monitor closed throttle switch on/off status. If using ohmmeter, leave ignition off and monitor closed throttle switch continuity. Go to step  4.
  3. Insert feeler gauge with thickness of .055" (1.4 mm) about .118" (3 mm) deep between throttle levers shown in illustration. See Figure. If using scan tool, turn ignition on and monitor closed throttle switch on/off status. If using ohmmeter, leave ignition off and monitor closed throttle switch continuity. Go to next step.
  4. Loosen TP sensor mounting bolt. Turn TP sensor body fully counterclockwise. Scan tool should indicate closed throttle position switch is on. Ohmmeter should indicate continuity.
  5. Slowly turn TP sensor body clockwise until point at which scan tool indicates closed throttle position switch is off, or ohmmeter indicates no continuity. Hold TP sensor in this position and tighten mounting bolt.
  6. If using scan tool, go to next step. If using DVOM, reconnect TP sensor connector. Backprobe and connect DVOM (voltmeter) leads to TP sensor connector terminals No. 2 (sensor output) and No. 4 (sensor ground). Turn ignition on and go to next step.
  7. Check TP sensor output voltage. TP sensor output voltage should be 400-1000 millivolts. If TP sensor output voltage is not as specified, check TP sensor and related circuit. If TP sensor output voltage is as specified, remove feeler gauge and turn ignition off.
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