Doosan D20S-5 Operation & Maintenance Manual page 105

Table Table 2. 2. Diagnostic Diagnostic Fault
DFC DFC
TPS2AdaptHiMin TPS2AdaptHiMin
Learned WOT end of TPS2 Learned WOT end of TPS2
272 272
sensor range lower than sensor range lower than
expected expected
TPS1AdaptLoMax TPS1AdaptLoMax
Learned closed throttle end Learned closed throttle end
281 281
of TPS1 sensor range higher of TPS1 sensor range higher
than expected than expected
TPS2AdaptLoMax TPS2AdaptLoMax
Learned closed throttle end of Learned closed throttle end of
282 282
TPS2 sensor range higher TPS2 sensor range higher
than expected than expected
TPS_Sensors_Conflict TPS_Sensors_Conflict
TPS sensors differ by more TPS sensors differ by more
than expected amount than expected amount
NOTE: NOTE:
291 291 s s erv erv ic iceabl
onl only be y be repaired by
repl replacing acing the
assembly.
assembly.
MAPTimeRangeLow MAPTimeRangeLow
Manifold Absolute Pressure Manifold Absolute Pressure
sensor input is low, normally sensor input is low, normally
331 331 set if the TMAP pressure set if the TMAP pressure
signal wire has been signal wire has been
(33) (33)
disconnected or disconnecte
ground or the circuit has ground or the circuit has
opened to the SECM opened to the SECM
MAPRangeLow MAPRangeLow
Manifold Absolute Pressure Manifold Absolute Pressure
sensor input is low, normally sensor input is low, normally
set if the TMAP pressure set if the TMAP pressure
332 332
signal wire has been signal wire has been
disconnected or disconnecte
ground or the circuit has ground or the circuit has
opened to the SECM opened to the SECM
(*) Fault actions shown are default values specified by the OEM. (*) Fault actions shown are default values specified by the OEM.
Fault Codes (Fla Codes (Flash C
PROBABLE FAULT PROBABLE FAULT
The TPS The TPS is is not not a a
eable e item a item and nd c c an an
repaired by
the D D V-E V-E V throttl V throttle e
d or shorted to shorted to
d or shorted to shorted to
-102- -102-
sh Codes) odes) cont'd. cont'd.
FAULT ACTION FAULT ACTION * *
None None
None None
None None
Check the throttle connector and pins for Check the throttle connector and pins for
corrosion. corrosion.
To check the TPS disconnect the throttle To check the TPS disconnect the throttle
connector and measure the resistance connector and measure the resistance
(1) TurnOnMil (1) TurnOnMil
from: from:
(2) CutThrottle (2) CutThrottle
TPS Pin 2 (GND) to Pin 6 (TPS1 SIGNAL) TPS Pin 2 (GND) to Pin 6 (TPS1 SIGNAL)
(0.7 (0.7
TPS Pin 3 (PWR) to Pin 6 (TPS1 SIGNAL) TPS Pin 3 (PWR) to Pin 6 (TPS1 SIGNAL)
(1.4 (1.4
Check TMAP connector and MAP signal Check TMAP connector and MAP signal
wiring for an open circuit wiring for an open circuit
TMAP Pin 4 to SECM Pin B18 (signal) TMAP Pin 4 to
TMAP Pin 1 to SECM Pin B1 (sensor GND) TMAP Pin 1 to SECM Pin B1 (sensor GND)
TMAP Pin 3 to TMAP Pin 3 to SECM Pin B24 (XDRP +5
Vdc) Vdc)
Check the MAP sensor by di Check the MAP sensor by disconnecting
TurnOnMil TurnOnMil
the TMAP connector and measuring at the the TMAP connector and measuring at the
sensor: sensor:
TMAP Pin 1(GND) to TMAP Pin 1(GND) to
Pin 4 (pressure signal KPA) (2.4k Pin 4 (pressure signal KPA) (2.4k
TMAP Pin 3 (power) to TMAP Pin 3 (power) to
Pin 4 (pressure signal KPA) (3.4k Pin 4 (pressure signal KPA) (3.4k
Check TMAP connector and MAP signal Check TMAP connector and MAP signal
wiring for an open circuit wiring for an open circuit
TMAP Pin 4 to SECM Pin B18 (signal) TMAP Pin 4 to
TMAP Pin 1 to SECM Pin B1 (sensor GND) TMAP Pin 1 to SECM Pin B1 (sensor GND)
TMAP Pin 3 to SECM Pin B24 (XDRP +5 TMAP Pin 3 to
Vdc) Vdc)
(1) TurnOnMil (1) TurnOnMil
Check the MAP sensor by disconnect-ing Check the MAP sensor by di
(2) EngineShutdown (2) EngineShutdown
the TMAP connector and measuring at the the TMAP connector and measuring at the
sensor: sensor:
TMAP Pin 1(GND) to TMAP Pin 1(GND) to
Pin 4 (pressure signal KPA) (2.4k Pin 4 (pressure signal KPA) (2.4k
TMAP Pin 3 (power) to TMAP Pin 3 (power) to
Pin 4 (pressure signal KPA) (3.4k Pin 4 (pressure signal KPA) (3.4k
Operation Section Operation Section
CORRECTIVE ACTION CORRECTIVE ACTION FIRST FIRST CHECK
N/A N/A
N/A N/A
N/A N/A
± 30%) ± 30%)
Ω Ω
Ω Ω ± 30%) ± 30%)
SECM Pin B18 (signal)
SECM Pin B24 (XDRP +5
SECM Pin B18 (signal)
SECM Pin B24 (XDRP +5
CHECK
sconnecting
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
sconnect-ing
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω