Range
g check (low)
( )

DEF pump
p p temperature
p
sensor 1 duty

(‐40degC) (‐40F)

Range check (high)

DEF pump temperature
sensor 1 duty

> 85%
(85degC) (185F)

Rationality check
(at
( engine
g start))

| DEF pump temperature 1
‐ AAT |

> 22degC (71.6F) System voltage

Rationality check :

Actual DEF pump temperature 1 < 2degC (35.6F) System voltage

> 50kPa (7.252psi)

System voltage

DEF defrosting
< 150degC (302F)
EGT (SCR inlet)
DEF pump temperature 1
> 0degC (32F)
DEF pressure line
No DEF
No malfunction : see 'Monitor disable DTC table'
< 15%

> 10V
0.5sec
< 16V
|AAT ‐ ECT(from ECM)|
< 8degC (46.4F)
|AAT ‐ EGT(SCR inlet)|
< 8degC (46.4F)
|EGT(SCR inlet) ‐ ECT(from ECM)| < 8degC (46.4F)
No malfunction : see 'Monitor disable DTC table'

Monitor DEF pump temperature 1 ‐ Recorded DEF pump temperature 1

DEF pump temperature
sensor 2
/NOx converting
catalyst system/DeNOx ECU

P142A

while DEF tank heater valve
is opened

(at the start of this monitor)

Range check (low)

DEF pump temperature
sensor 2 duty

(‐40degC) (‐40F)

DEF pump temperature
sensor 2 duty

> 85%
(85degC) (185F)

Range check (high)

> 10V
< 16V
Completed

DEF tank heater valve

> 10V
< 16V
Opened

1DCY

2sec

1DCY

5sec

1DCY

5sec

1DCY

> 55degC (131F)
No malfunction : see 'Monitor disable DTC table'
Time elapsed since above
>= 600sec
3 conditions are fulfilled

Engine coolant temperature (from ECM)

Page 21 of 44

< 15%

SERVICE INFORMATION BULLETIN

Group:
Warranty Code:
Bulletin No.
Issue Date:

00 - General
SB 11 - 004
11 - 05 -2011

HDOBD Specification Table
P142B

Rationality check
(at engine start)

| DEF pump temperature 2
‐ AAT |

> 22degC (71.6F) System voltage

> 10V
0.5sec
< 16V
|AAT ‐ ECT(from ECM)|
< 8degC (46.4F)
|AAT ‐ EGT(SCR inlet)|
< 8degC (46.4F)
|EGT(SCR inlet) ‐ ECT(from ECM)| < 8degC (46.4F)
No malfunction : see 'Monitor disable DTC table'

Rationalityy check :

Actual DEF pump
p p temperature
p
2 < 2degC (35.6F) System
y
voltage
g

DEF tank heater valve

> 10V
< 16V
Opened

2sec

1DCY

Engine coolant temperature (from ECM)

> 55degC (131F)

DEF tank heater valve

Opened

0.4sec

1DCY

0.4sec

1DCY

> 70degC (158F) |DEF pump temp. 1 ‐ ECT(from ECM)| < 8degC (46.4F) 0.5sec
|DEF pump temp. 1 ‐ EGT(SCR inlet)| < 8degC (46.4F)
|EGT(SCR inlet) ‐ ECT(from ECM)| < 8degC (46.4F)
No malfunction : see 'Monitor disable DTC table'

1DCY

< 0.85V

1sec

1DCY

1sec

1DCY

5sec

1DCY

1sec

1DCY

1sec

1DCY

Monitor DEF pump temperature 2 ‐ Recorded DEF pump temperature 2

while DEF tank heater valve
is opened

1DCY

(at the start of this monitor)

> 40degC (104F)
No malfunction : see 'Monitor disable DTC table'

Engine coolant temperature (from ECM)

Time elapsed
p
since above
3 conditions are fulfilled
Ambient air temperature
sensor
/NOx converting
catalyst system/DeNOx ECU

P0072

Range check (low)

Sensor voltage

>= 600sec

< 3.25V
(100degC) (212F)

P0073

Range check (high)

Sensor voltage

> 4.76V
((‐40degC)
g ) ((‐40F))

DeNOx ECU temperature
sensor 1
/NOx converting
catalyst system/DeNOx ECU

P0071

Rationality check

| Ambient air temperature
‐ ECT(from ECM) |

P0668

Range check (low)

Sensor voltage

(‐50degC) (‐58F)

P0669

Range check (high)

Sensor voltage

> 2V
(150degC) (302F)

DeNOx ECU temperature
sensor 2
/NOx converting
catalyst system/DeNOx ECU

P0667

Rationality check :
Comparison of DeNOx ECU
temperature sensor value
between 1 and 2

| DeNOx ECU temperature 1 > 14degC (57.2F) Battery voltage
‐ DeNOx ECU temperature 2 |

P0668

Range check (low)

Sensor voltage

< 0.85V

> 9V
< 16V

(‐50degC) (‐58F)

P0669

Range check (high)

Sensor voltage

> 2V
(150degC) (302F)

Page 22 of 44

SERVICE INFORMATION BULLETIN

Group:
Warranty Code:
Bulletin No.
Issue Date:

00 - General
SB 11 - 004
11 - 05 -2011

HDOBD Specification Table

DEF injector
/NOx converting
catalyst
ECU
y system/DeNOx
y
/

P0667

Rationality check :
Comparison of DeNOx ECU
temperature sensor value
between 1 and 2

| DeNOx ECU temperature 1 > 14degC (57.2F) Battery voltage
‐ DeNOx ECU temperature 2 |

> 9V
< 16V

5sec

1DCY

P2048

Circuit monitor (low side)

DEF injector circuit
(low side) voltage

< 0.2V

DEF injector duty cycle

> 0%

0.05sec

1DCY

P2049

Circuit monitor (high side)

DEF injector circuit
(high side) voltage

< 2.0V

DEF injector duty cycle

> 0%

0.05sec

1DCY

P2047

Functional monitor :
Second order differential of
Monitor DEF injector circuit
DEF injector circuit current
current profile at the beginning profile
of DEF injector
j
activation

< 80A/sec2

DEF injector duty cycle
DEF pressure

> 0%

50times

2DCY

> 350kPa (50.762psi)
< 1500kPa (217.55psi)

Batteryy voltage
g
Time elapsed since
DEF injector activation

DEF pump motor
/NOx converting
catalyst
ECU
y system/DeNOx
y
/

Reverting valve
/NOx converting
catalyst system/DeNOx ECU

> 9V
< 16V
< 0.0025sec

P208A

Circuit monitor (open load)

Circuit voltage

> 2.7V
< 5.0V

DEF pump duty cycle

> 0%

2sec

1DCY

P208C

Circuit monitor (low)

Circuit voltage

< 0.66V

DEF pump duty cycle

> 0%

8sec

1DCY

P208D

Circuit monitor (high)

Circuit voltage

= 2.7V

DEF pump duty cycle

> 0%

2sec

1DCY

P208B

Functional monitor :
Comparison of pump motor
speed between target and
actual

| Target pump motor speed > 300rpm
‐ Actual pump motor speed |

DEF defrosting
EGT(SCR inlet)

Completed

5sec × 3times

1DCY

> 150degC (302F)

P20A0

Circuit monitor (open load)

Circuit voltage

> 2.7V
< 5.0V

Reverting valve

Activated

2sec

1DCY

P20A2

Circuit monitor (low)

Circuit voltage

< 0.66V

Reverting valve

Activated

0.05sec

1DCY

P20A3

Circuit monitor (high)

Circuit voltage

= 2.7V

Reverting valve

Activated

2sec

1DCY

P20A1

Functional monitor :
Monitor DEF pressure
during pressure reduction
at key off

DEF pressure

> 50kPa (7.252psi)

DEF pressure (before key off)

> 800kPa (116.026psi)

Immediately

1DCY

< 1050kPa (152.285psi)

Battery voltage
Time elapsed since key off

Page 23 of 44

> 9V
< 16V
>= 25sec

SERVICE INFORMATION BULLETIN