S15/T15 Jimmy 2WD V6-173 2.8L VIN B 2-bbl (1983)
1.
Drill a .078 (5/64) inch hole, 1/16-1/8 inch deep, in plug covering TPS adjustment,
Fig. 15.
2.
Thread a No. 8 sheet metal screw into hole and pry out plug using a suitable lever.
3.
Remove TPS adjusting screw using tool J-28696 or equivalent.
4.
Leaving electrical connector in place, connect a digital voltmeter between TPS center terminal (B) and bottom terminal (C), using jumper wires if
necessary. Only a digital voltmeter with 10 megohm input impedance or higher can be used. Conventional voltmeters that do not have sufficient
resistance will cause damage to the ECU.
5.
With ignition on, engine stopped and A/C off, install TPS screw and adjust quickly to obtain specified TPS idle voltage,
Fig. 16.
6.
Turn ignition off and install new plug over TPS adjusting screw or seal opening with RTV sealer.
