Doosan D50S-5 Operation & Maintenance Manual page 107

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
(33) (33) signal wire has been signal wire has been
disconnected or shorted to disconnected or shorted to
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
332 332 set if the TMAP pressure set if the TMAP pressure
signal wire has been signal wire has been
disconnected or shorted to disconnected or shorted to
ground or the circuit has ground or the circuit has
opened to the SECM opened to the SECM
MAPTimeRangeHigh MAPTimeRangeHigh
Manifold Absolute Pressure Manifold Absolute Pressure
Sensor Input is High, Sensor Input is High,
normally set if the TMAP normally set if the TMAP
pressure signal wire has pressure signal wire has
become shorted to power, become shorted to power,
341 341 shorted to the IAT signal, the shorted to the IAT signal, the
(34) (34)
TMAP has failed or the TMAP has failed or the
SECM has failed. SECM has failed.
Table 2. MI-07 Diagnostic Fault Codes (Flash Codes) cont'd. Table 2. MI-07 Diagnostic Fault Codes (Flash Codes) cont'd.
DFC DFC
MAPRangeHigh MAPRangeHigh
Manifold Absolute Pressure Manifold Absolute Pressure
Sensor Input is High, Sensor Input is High,
normally set if the TMAP normally set if the TMAP
PROBABLE FAULT PROBABLE FAULT
(sensor GND) (sensor GND)
TMAP Pin 3 to SECM Pin B24 TMAP Pin 3 to SECM Pin B24
(XDRP +5 Vdc) (XDRP +5 Vdc)
None None
Check the MAP sensor by Check the MAP sensor by
disconnecting the TMAP connector and disconnecting the TMAP connector and
measuring at the sensor measuring at the sensor
TMAP Pin 1(GND) to Pin 4 (pressure TMAP Pin 1(GND) to Pin 4 (pressure
signal KPA) (2.4k signal KPA) (2.4k
TMAP Pin 3 (power) to Pin 4 (pressure TMAP Pin 3 (power) to Pin 4 (pressure
signal KPA) (3.4k signal KPA) (3.4k
Check TMAP connector and MAP Check TMAP connector and MAP
signal wiring for an open circuit signal wiring for an open circuit
TMAP Pin 4 to SECM Pin B18 (signal) TMAP Pin 4 to SECM Pin B18 (signal)
TMAP Pin 1 to SECM Pin B1 TMAP Pin 1 to SECM Pin B1
(sensor GND) (sensor GND)
TMAP Pin 3 to SECM Pin B24 TMAP Pin 3 to SECM Pin B24
(1) TurnOnMil (1) TurnOnMil (XDRP +5 Vdc) (XDRP +5 Vdc)
(2) CutThrottle (2) CutThrottle
Check the MAP sensor by Check the MAP sensor by
disconnecting the TMAP connector and disconnecting the TMAP connector and
measuring at the sensor: measuring at the sensor:
TMAP Pin 1(GND) to Pin 4 (pressure TMAP Pin 1(GND) to Pin 4 (pressure
signal KPA) (2.4k signal KPA) (2.4k
TMAP Pin 3 (power) to Pin 4 (pressure TMAP Pin 3 (power) to Pin 4 (pressure
signal KPA) (3.4k signal KPA) (3.4k
Check TMAP connector and MAP Check TMAP connector and MAP
signal wiring for a shorted circuit signal wiring for a shorted circuit
TMAP Pin 4 to SECM Pin B18 (signal) TMAP Pin 4 to SECM Pin B18 (signal)
TMAP Pin 1 to SECM Pin B1 TMAP Pin 1 to SECM Pin B1
(sensor GND) (sensor GND)
TMAP Pin 3 to SECM Pin B24 TMAP Pin 3 to SECM Pin B24
(XDRP +5 Vdc) (XDRP +5 Vdc)
None None
Check the MAP sensor by Check the MAP sensor by
disconnecting the TMAP connector and disconnecting the TMAP connector and
measuring at the sensor measuring at the sensor
TMAP Pin 1(GND) to Pin 4 (pressure TMAP Pin 1(GND) to Pin 4 (pressure
signal KPA) (2.4k signal KPA) (2.4k
TMAP Pin 3 (power) to Pin 4 (pressure TMAP Pin 3 (power) to Pin 4 (pressure
signal KPA) (3.4k signal KPA) (3.4k
106 106
FAULT ACTION FAULT ACTION * *
Check TMAP connector and MAP Check TMAP connector and MAP
signal wiring for a shorted circuit signal wiring for a shorted circuit
TMAP Pin 4 to SECM Pin B18 (signal) TMAP Pin 4 to SECM Pin
TMAP Pin 1 to SECM Pin B1 TMAP Pin 1 to SECM Pin B1
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
- 8.2k - 8.2k ) )
Ω Ω Ω Ω
Operation Section Operation Section
CORRECTIVE ACTION CORRECTIVE ACTION
FIRST CHECK FIRST CHECK
B18 (signal)