Operation CHARM: Car repair manuals for everyone.

DH - Throttle Position (TP) Sensor

Enter this Pinpoint Test only when service code 23, 53, 63 or 73 is received during Quick Test.

This Pinpoint Test is only intended to diagnose the following:

1. TP sensor.
2. Harness circuits: VREF, TP, SIG RTN.
3. ECA computer processor.

To prevent replacement of good components, be aware that these non-EEC areas may be faulty:

1. Idle speed / throttle stop adjustment.
2. Binding throttle shaft, linkage or speed control linkage.
3. TP sensor may not be properly seated (tightened down).


PINPOINT TEST DH SCHEMATIC

Pinpoint Test DH Schematic:






TP SENSOR DATA GRAPH AND CHART

TP Sensor Data Graph And Chart:






TEST STEPS DH1 - DH2

Test Steps DH1 - DH2:






TEST STEPS DH3 - DH4

Test Steps DH3 - DH4:






TEST STEP DH6

Test Step DH6:






TEST STEPS DH10 - DH11

Test Steps DH10 - DH11:






TEST STEPS DH12 AND DH14

Test Steps DH12 And DH14:






TEST STEPS DH20 - DH21

Test Steps DH20 - DH21:






TEST STEPS DH90 - DH91

Test Steps DH90 - DH91:






TEST STEPS DH92 - DH93

Test Steps DH92 - DH93:






TEST STEPS DH94 - DH95

Test Steps DH94 - DH95:






TEST STEP DH96

Test Step DH96: