 |
|||
|
|
|||
|
Page Title:
VEHICLE HARNESS +5 VOLT SUPPLY (CONT). |
|
||
| ||||||||||
|
|
 TM 9-2320-364-20-1
A5A VEHICLE HARNESS +5 VOLT SUPPLY (CONT).
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
CHECK ENGINE light (CEL)
Visual inspection.
on Page 2-391
comes ON and stays ON.
ECM supply voltage OK.
REASON FOR QUESTION
4.7 to 5.2 vdc present on
Are vernier control terminals
wire 916 at TPS connector,
Damage to terminals or
terminal C.
and connectors (sensor side
connectors can affect signal to
No open in wires 916 and 952.
and harness side) free from
vernier control.
No short in wires 916 and 952.
damage?
POSSIBLE PROBLEMS
Vernier control connector MC38
damaged.
TPS harness connector faulty.
Repair connectors
TPS faulty.
(Para 7-101).
DDEC ECM faulty.
NO
Verify repair, go to
Wire 240 and/or 241 shorted to
Step 12 of this Fault.
wire 439 and /or chassis
ground.
Wire 952 at vernier control
connector MC38 faulty.
YES
Replace vernier
control (Para 7-100),
Verify repair, go to
Step 12 of this Fault.
7.
KNOWN INFO
TEST OPTIONS
CHECK ENGINE light (CEL)
DDR test.
Are the TPS counts 20 to 30
comes ON and stays ON.
ECM supply voltage OK.
at idle and 200 to 235 counts
REASON FOR QUESTION
4.7 to 5.2 vdc present on
at full throttle?
wire 916 at TPS connector,
TPS counts should be 20 to 30
terminal C.
counts at idle and no more than
No open in wires 916 and 952.
235 counts at full throttle.
No short in wires 916 and 952.
Vernier control connector
MC38 OK.
POSSIBLE PROBLEMS
TPS harness connector faulty.
TPS faulty.
Go to Step 9 of this
DDEC ECM faulty.
NO
Fault.
Wire 240 and/or 241 shorted to
wire 439 and /or chassis
ground.
Wire 952 at vernier control
connector MC38 faulty.
YES
2-390
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals