CODE 15 OIL TEMPERATURE SENSOR (OTS) SIGNAL VOLTAGE LOW (CONT). -726280284

TM 9-2320-364-20-1

A4 CODE 15 OIL TEMPERATURE SENSOR (OTS) SIGNAL VOLTAGE LOW (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

READ WARNING

Resistance test.

CHECK ENGINE light (CEL)

on Page 2-215

STE/ICE-R #92.

comes ON and stays ON.

OTS connector or terminals OK.

OTS OK.

REASON FOR QUESTION

Are there more than 10,000

ohms measured between

Resistance less than 10,000

POSSIBLE PROBLEMS

wires 120 and 452 at engine

ohms at engine harness

harness connector terminals

connector indicates signal line

Wires 120 and/or 452 faulty.

R2 and Y2?

wire 120 is shorted to return line

DDEC ECM connector or

wire 452 or ground.

terminals faulty.

DDEC ECM faulty.

Repair wires 120

and/or 452 (see

schematic

Fig 2-2) or notify DS

Maintenance.

Verify repair, go to

Step 6 of this Fault.

YES

2-214