D21 Hardbody 2WD L4-2389cc 2.4L SOHC (Z24i) (1988)
Throttle Position Switch: Adjustments
Throttle Sensor Adjustment
1.
Start and warm the engine to operating temperature.
2.
Disconnect the idle switch connector.
3.
Connect an ohm meter or continuity tester between terminals B and C.
4.
Connect a tachometer to the engine.
5.
Raise the engine rpm to 2500 rpm and slowly lower to idle.
6.
Confirm that continuity does not exist until the engine speed is:
1600 +550 or -250 rpm.
7.
If not within specified range, loosen the two securing screws and rotate switch until within range.
8.
Tighten screws and recheck.