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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).
6.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Code 34 only code displayed
Resistance test.
on Page 2-283
on DDR.
STE/ICE-R #92.
TBS connector OK.
TBS sensor OK.
REASON FOR QUESTION
Are there more than 10,000
Wires 432 and 452 are not
ohms measured between
open.
Less than or equal to 10,000
wires 432 and 452 at TBS
ohms at TBS harness connector
POSSIBLE PROBLEMS
harness connector, terminals
indicates signal line wire 432 is
shorted to return line
A and B?
Wires 432 and/or 452 are
wire 452.
shorted.
DDEC ECM connectors faulty.
DDEC ECM faulty.
Repair wires 432
Wires 416 and/or 452 are open.
and/or 452 (see
schematic Fig 2-2) or
NO
notify DS
Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
7.
KNOWN INFO
TEST OPTIONS
CAUTION
Read CAUTION
Code 34 only code displayed
Visual inspection.
on Page 2-283
on DDR.
TBS connector OK.
REASON FOR QUESTION
TBS sensor OK.
Are DDEC ECM terminals and
Wires 432 and 452 are not
open.
Damage to terminals or
connectors (DDEC ECM and
Wires 432 and 452 are
connectors can affect signal to
engine harness side) free
not shorted.
DDEC ECM.
from damage?
POSSIBLE PROBLEMS
DDEC ECM connectors faulty.
DDEC ECM faulty.
Repair engine
Wires 416 and/or 452 are
harness connector
open.
(Para 7-101) or
NO
replace DDEC ECM
(Para 7-56).
Verify repair, go to
Step 9 of this Fault.
YES
Replace DDEC ECM
(Para 7-56).
Verify repair, go to
Step 9 of this Fault.
2-282
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