CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL VOLTAGE LOW (CONT). -726280308

TM 9-2320-364-20-1

A4 CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL VOLTAGE LOW (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

READ WARNING

CHECK ENGINE light (CEL)

on Page 2-239

comes ON and stays ON.

STE/ICE-R #91.

TPS OK.

TPS harness connector

REASON FOR QUESTION

Are there less than 5 ohms

MC6 OK.

measured between wires 417,

Wires 417 and 952 not shorted.

Resistance greater than 5 ohms

916 and 952 at vehicle

at vehicle harness connector

POSSIBLE PROBLEMS

harness connector MC18,

indicates open in signal line wire

terminals D2, A3 and C3?

417 and/or return line wire 952.

Wires 417, 916 and/or 952

shorted.

DDEC ECM terminals faulty.

Repair wires 417, 916

DDEC ECM faulty.

and/or 952 (see

Wires 916 and/or 952 open.

schematic Fig 2-1)

or notify

DS Maintenance.

Verify repair, go to

Step 10 of this Fault.

YES

2-238