Service manual

G420F(FE) Service Manual Chapter 9. Advanced Diagnostics 287
Table 1. Fault List Definitions (cont’d.)
FAULT DESCRIPTION
CODE
(MI04 CODE)
SensVoltRangeLow Sensor reference voltage XDRP too low
551
(55)
ServiceFault1 Service Interval 1 has been reached 991
ServiceFault2 Service Interval 2 has been reached 992
ServiceFault3 Service Interval 3 has been reached 993
ServiceFault4
Service Interval 4 has been reached—time to replace HEGO
sensors
994
ServiceFault5
Service Interval 5 has been reached—time to replace
engine timing belt
995
SoftOverspeed
Engine speed has exceeded first level (1 of 3) of overspeed
protection
573
TPS1AdaptHiMin
Learned WOT end of TPS1 sensor range lower than
expected
271
SysVoltRangeHigh System voltage too high
541
(54)
SysVoltRangeLow System voltage too low
531
(53)
TPS1AdaptHiMax
Learned WOT end of TPS1 sensor range higher than
expected
251
(25)
TPS1AdaptHiMin
Learned WOT end of TPS1 sensor range lower than
expected
271
TPS1AdaptLoMax
Learned closed throttle end of TPS1 sensor range higher
than expected
281
TPS1AdaptLoMin
Learned closed throttle end of TPS1 sensor range lower than
expected
241
(24)
TPS1RangeHigh
TPS1 sensor voltage out of range high, normally set if the
TPS1 signal has shorted to power or ground for the sensor
has opened
231
(23)
TPS1RangeLow
TPS1 sensor voltage out of range low, normally set if TPS1
signal has shorted to ground, circuit has opened or sensor
has failed
221
(22)
TPS2AdaptHiMax
Learned WOT end of TPS2 sensor range higher than
expected
252
TPS2AdaptHiMin
Learned WOT end of TPS2 sensor range lower than
expected
272
TPS2AdaptLoMax
Learned closed throttle end of TPS2 sensor range higher
than expected
282
TPS2AdaptLoMin
Learned closed throttle end of TPS2 sensor range lower than
expected
242
TPS2RangeHigh
TPS2 sensor voltage out of range high, normally set if the
TPS2 signal has shorted to power or ground for the sensor
has opened
232