 |
|||
|
|
|||
|
Page Title:
CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL VOLTAGE LOW (CONT). |
|
||
| ||||||||||
|
|
 TM 9-2320-364-20-1
A4 CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL VOLTAGE LOW (CONT).
2.
TEST OPTIONS
KNOWN INFO
CAUTION
READ CAUTION
CHECK ENGINE light (CEL)
DDR test.
on Page 2-233
comes ON and stays ON.
Are any
REASON FOR QUESTION
other codes
POSSIBLE PROBLEMS
besides Code 21 displayed on
Isolate Fault.
DDR with jumperwire installed
TPS faulty.
TPS harness connector MC6
at wires 417 and 916 at TPS
faulty.
harness connector, between
Wires 417 and/or 952 shorted.
terminals A and B?
Wires 417, 916 and/or 952
shorted.
DDEC ECM terminals faulty.
DDEC ECM faulty.
Wires 916 and/or 952 open.
Go to Step 5 of this
NO
Fault.
YES
3.
KNOWN INFO
TEST OPTIONS
DDR test.
CHECK ENGINE light (CEL)
Are the TPS counts 20 to 30
comes ON and stays ON.
at idle and 200 to 235 counts
REASON FOR QUESTION
at full throttle?
POSSIBLE PROBLEMS
TPS is faulty if counts are not
20-30 at idle and 200-235 at full
TPS faulty.
throttle.
TPS harness connector MC6
faulty.
Wires 417 and/or 952 shorted.
Wires 417, 916 and/or 952
shorted.
DDEC ECM terminals faulty.
DDEC ECM faulty.
Replace TPS
Wires 916 and/or 952 open.
(Para 7-58).
NO
Verify repair, go to
Step 10 of this Fault.
YES
2-232
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals