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Page Title:
CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL LOW (CONT). |
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 TM 9-2320-364-20-1
A4 CODE 22 THROTTLE POSITION SENSOR (TPS) SIGNAL LOW (CONT).
8.
KNOWN INFO
TEST OPTIONS
WARNING
READ WARNING
CHECK ENGINE light (CEL)
Visual inspection.
on Page 2-241
comes ON and stays ON.
TPS OK.
REASON FOR QUESTION
TPS harness connector
Are DDEC ECM terminals and
MC6 OK.
Damaged terminals and
Wires 417 and 952 not shorted.
connectors (DDEC ECM and
connectors can affect signal to
Wires 417, 916 and 952
harness side) free from
DDEC ECM.
not open.
damage?
POSSIBLE PROBLEMS
DDEC ECM terminals faulty.
Repair harness
DDEC ECM faulty.
connector
(Para 7-101) or
replace DDEC ECM
NO
(Para 7-56).
Verify repair, go to
Step 10 of
this Fault.
YES
Replace DDEC ECM
(Para 7-56).
Verify repair, go to
Step 10 of this Fault.
9.
KNOWN INFO
TEST OPTIONS
CAUTION
READ CAUTION
CHECK ENGINE light (CEL)
Resistance test.
on Page 2-241
comes ON and stays ON.
STE/ICE-R #91.
Are there
TPS OK.
TPS harness connector
5 ohms or
REASON FOR QUESTION
MC6 OK.
less measured between wires
Wires 417 and 952 not shorted.
916 and 952 at vehicle
Resistance greater than 5 ohms
Wires 417, 916 and 952
at vehicle harness connector
harness connector MC18,
not open.
MC18 indicates wire 916 (+5
terminals A3 and C3?
DDEC ECM terminals OK.
volt line) is open.
DDEC ECM OK.
POSSIBLE PROBLEMS
Repair wires 916
Wires 916 and/or 952 open.
and/or 952 (see
schematic Fig 2-1)
or notify DS
NO
Maintenance.
Verify repair, go to
Step 10 of this Fault.
YES
Fault not corrected.
Notify DS
Maintenance.
2-240
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