CODE 24 FUEL TEMPERATURE SENSOR (FTS) SIGNAL VOLTAGE LOW.

TM 9-2320-364-20-1

2-13. DDEC II TROUBLESHOOTING (CONT).

A4 CODE 24 FUEL TEMPERATURE SENSOR (FTS) SIGNAL VOLTAGE LOW.

INITIAL SETUP

References

Tools and Special Tools

TM 9-2320-364-10

Tool Kit, General Mechanic's: Automotive

TM 9-4910-571-12&P

STE/ICE-R (optional) (Item 3, Appendix G)

Equipment Condition

DDEC Repair Kit (Item 15, Appendix G)

Engine OFF, (TM 9-2320-364-10)

Multimeter (Item 44, Appendix G)

Parking brake applied, (TM 9-2320-364-10)

Reader, Diagnostic (Item 53, Appendix G)

Wheels chocked, (TM 9-2320-364-10)

Jumperwire

Top engine access cover opened,

(TM 9-2320-364-10)

START

KNOWN INFO

TEST OPTIONS

CHECK ENGINE light (CEL)

DDR test.

Is Code 24 the only code

comes ON and stays ON.

displayed on DDR?

REASON FOR QUESTION

POSSIBLE PROBLEMS

There may be a problem with

the engine harness if Codes 14,

FTS connector faulty.

23 and/or 33 are displayed

FTS faulty.

along with Code 24.

Wires 472, 150 and/or 452

shorted.

DDEC ECM connector faulty.

DDEC ECM faulty.

For Codes 14, 23 or

33, go to Fault A5B

YES

2-252