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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).
8.
KNOWN INFO
TEST OPTIONS
WARNING
Read WARNING
Code 34 only code displayed
Resistance test.
on Page 2-285
on DDR.
STE/ICE-R #91.
TBS connector OK.
TBS sensor OK.
REASON FOR QUESTION
Are there 5 ohms or less
Wires 432 and 452 are not
measured between wires 416
open.
Resistance greater than 5 ohms
Wires 432 and 452 are
and 452 at engine harness
at engine harness connector
not shorted.
indicates engine wire 416 (+5
connector, terminals
DDEC ECM connectors OK.
volt line) is open.
W1 and Y2?
DDEC ECM OK.
POSSIBLE PROBLEMS
Repair wires 416
Wires 416 and/or 452 are open.
and/or 452 (see
schematic Fig 2-2)
NO
or notify
DS Maintenance.
Verify repair, go to
Step 9 of this Fault.
YES
9.
KNOWN INFO
TEST OPTIONS
Code 34 only code displayed
Verify repair.
on DDR.
Does CEL stay ON longer
TBS connector OK.
than five seconds?
REASON FOR QUESTION
TBS sensor OK.
Wires 432 and 452 are not
If CEL lights for approximately
open.
five seconds and then goes
Wires 432 and 452 are
OUT after ENGINE switch is
not shorted.
turned to ON, Fault has been
DDEC ECM connectors OK.
corrected.
DDEC ECM OK.
Wires 416 and 452 are
not open.
POSSIBLE PROBLEMS
Fault corrected.
NO
YES
Go to Fault Index
2-284
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