4-45. THROTTLE POSITION (TP) SENSOR MAINTENANCE (4L80-E) (Cont’d)
FOLLOW-ON TASKS: • Lower and secure hood (TM 9-2320-280-10).
• Connect battery ground cables (para. 4-73).
TM 9-2320-280-20-2
Change 2
4-73
6.
Rotate injection pump throttle lever (10) so that stopscrew (8) holds gauge block against housing
boss (9).
NOTE
Keep throttle lever in this position during remainder of
adjustment steps.
7.
Measure voltage between terminals B and C of TP sensor connector (4).
a. If measured voltage is within calculated specification, as indicated in step 4, remove jumper wire
and connect body harness connector (3) to TP sensor connector (4).
b. If voltage is not within calculated specification, go to next step.
8.
Loosen TP sensor mounting screws (7) and rotate TP sensor (5) toward rear of vehicle (counter-
clockwise direction).
9.
With voltmeter connected to terminals B and C of TP sensor connector (4), rotate TP sensor (5)
slowly toward front of vehicle (clockwise direction) until voltmeter indicates voltage as determined
in step 4.
10.
Tighten TP sensor mounting screws (7) and confirm that adjustment did not change.
11.
Remove jumper wire.
12.
Remove gauge block.
13.
Connect body wiring harness connector (3) to TP sensor connector (4).
14.
Connect body harness connector (11) and engine harness connector (12).
