Appendix
Great Wall Baoding Internal Combustion Engine
Manufacturing Company Limited
489
(Continued)
Part / System
Malfunction
Code
Malfunction Description
Exhaust-related
Malfunction
Indicator Lamp
Engine
Malfunction
Indicator
Lamp
Action
P1174
The corrected minimum drive pulse
(MDP) for 3
#
fuel injector too short
Not lit up
Lit up
P1172
The corrected minimum drive pulse
(MDP) for 4
#
fuel injector too short
Not lit up
Lit up
P1173
The corrected minimum drive pulse
(MDP) for 2
#
fuel injector too short
Not lit up
Lit up
Rail pressure
sensor
P0192
Malfunction of the rail pressure
sensor (low)
Lit up in the first
driving circle
Lit up
Delay the
stop for
60s
/ Largely
reduce the
torque (by
about
50%)
/ Increase
the idle
speed to
1000 r/min
P0193
Malfunction of the rail pressure
sensor (high)
P1190
Malfunction of the rail pressure
sensor (malfunction of the supply
voltage or the analog-to-digital
converter)
P1194
Malfunction of the rail pressure
sensor (abnormal variation
gradient)
P0194
Malfunction related to the
reasonableness of the rail pressure
(unreasonable fall of the rail
pressure)
P1192
Malfunction of the rail pressure
sensor drift (lower than the min.
limit value)
Not lit up
Lit up
Delay the
stop for
60s
/ Limp
home
(1400
r/min)
/ Largely
reduce the
torque (by
about
50%)
P1193
Malfunction of the rail pressure
sensor drift (higher than the max.
limit value)
P1191
Malfunction of the rail pressure
sensor drift (exceeding the
intermediate limit value for too
many times)
P0088
Rail pressure too high (exceeding
the max. limit value)
Not lit up
Lit up
Delay the
stop for
60s
/ Largely
reduce the
torque (by
about
50%)
/ Increase
the idle
speed to
1000 r/min
