ELECTRONIC FOOT PEDAL ASM (EFPA) CIRCUIT FAILED HIGH (VOLTAGE HIGH) ALSO CALLED THROTTLE POSITION SENSOR (TPS) (cont) -726280717

TM 9-2320-364-20-1

Section IV. TROUBLESHOOTING CHARTS (Cont.)

E. FLASH CODE:

J1587 CODE:

P91 3 -

ELECTRONIC FOOT PEDAL ASM (EFPA) CIRCUIT FAILED HIGH

(VOLTAGE HIGH) ALSO CALLED THROTTLE POSITION SENSOR

(TPS)

STEP/SEQUENCE

RESULT

WHAT TO DO NEXT

21-9

Check ECM

Connectors

Check terminals at the

Terminals and

Replace ECM (para 7-57).

vehicle harness connector (both

connectors are okay.

Then go to 21-30.

the ECM and harness side) for

damage; bent, corroded and

Problem found.

Repair terminals/connectors

unseated pins or sockets.

(para 7-101). Then go to 21-30.

21-30

Verify Repairs

Turn ignition off.

No codes.

Repairs are complete.

Reconnect all connectors.

Turn ignition on.

Code 91/3 (and

All system diagnostics are

Clear codes.

any other codes).

complete. Please review this

Note status of "Check Engine"

section from the first step to find

light.

the error.

If "Check Engine" light does not

stay on, start engine and run

Any other codes

Go to START-1, pg 2-539, to

(TM 9-2320-364-10) until

except Code 91/3.

service other codes.

"Check Engine" light comes on or

1 minute. Stop engine.

Read all codes.

2-647