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Throttle Position Sensor

ADJUSTMENT

323 Models
  1. Install a 0.02 in. (0.5mm) thick gauge between the throttle lever and adjusting screw. Connect an ohmmeter between the IDL and TL terminals of the connector. There should be continuity.
  2. Replace the 0.02 in. (0.5mm) gauge with a 0.03 in. (0.7mm) gauge. Recheck between the same terminals with the ohmmeter. There should not be continuity.
  3. If continuity does not disappear with the installation of the thicker gauge or is not there with the thinner gauge installed, adjust the throttle adjusting screw so that the throttle sensor passes the test. Reattach the throttle sensor electrical connector.
1986–87 626
  1. Install a 0.015 in. (0.4mm) thick gauge between the throttle lever and adjusting screw. Connect an ohmmeter between the B and D terminals of the connector. There should be continuity.
  2. Replace the 0.015 in. (0.4mm) gauge with a 0.022 in. (0.55mm) gauge. Recheck between the same terminals with the ohmmeter. There should not be continuity.
  3. If continuity does not disappear with the installation of the thicker gauge, or is not present with the thinner gauge installed, turn the throttle adjusting screw so that the throttle sensor passes the test. Reattach the throttle sensor electrical connector.

    Fig. 1: Connect an ohmmeter between terminals "TL" and "IDL" to adjust the throttle position sensor — 323

    Fig. 2: Connect an ohmmeter between terminals "B" and "D" to adjust the throttle position sensor — 1986–87 626

1988–89 626 and MX-6

Throttle sensor adjustment on the 1988–89 626 and MX-6 requires the use of a special test harness. Adjustment of the throttle sensor on these models should be performed by a qualified technician.

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