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Page Title:
CODE 34 TURBO BOOST SENSOR (TBS) SIGNAL VOLTAGE LOW (CONT). |
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 TM 9-2320-364-20-1
A4 CODE 34 TURBO BOOST SENSOR (TBS) SIGNAL VOLTAGE LOW (CONT).
3.
KNOWN INFO
TEST OPTIONS
CAUTION
Read CAUTION
Code 34 only code displayed
Visual inspection.
on Page 2-279
on DDR.
REASON FOR QUESTION
POSSIBLE PROBLEMS
Are TBS terminals and
Damage to terminals or
connectors free from
TBS connector faulty.
connectors can affect signal to
TBS sensor faulty.
damage?
TBS.
Wires 432 and/or 452 are open.
Wires 432 and/or 452 are
shorted.
DDEC ECM connectors faulty.
DDEC ECM faulty.
Wires 416 and/or 452 are open.
Repair TBS
connectors
NO
(Para 7-101).
Verify repair, go to
Step 9 of this Fault.
YES
Replace TBS sensor
(Para 7-63).
Verify repair, go to
Step 9 of this Fault.
4.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Voltage test.
Code 34 only code displayed
on Page 2-279
STE/ICE-R #89.
on DDR.
TBS connector OK.
TBS sensor OK.
REASON FOR QUESTION
Is there 4 to 6 vdc measured
at wires 416 to 452 at TBS
Incorrect voltage possible.
POSSIBLE PROBLEMS
harness connector,
terminals C and A?
Wires 432 and/or 452 are open.
Wires 432 and/or 452 are
shorted.
DDEC ECM connectors faulty.
DDEC ECM faulty.
Wires 416 and/or 452 are open.
If less than 4 volts, go
NO
to Step 8 of this Fault.
YES
2-278
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