1062 / 1588
175
POSSIBLEFAULTSONSTATICTESTING
Note : For each Problem, all points respective to that S.No to be checked in order and rectified (Refer to ‘Flowchart’ sheet)
SR.
NO
SENSOR /ACTUATOR
FAULTVARIABLE
FAULTDESCRIPTION
TOCHECK
TORECTIFY
SYMPTOMS
DTC
CODE
1.
Ensure proper ULP file (software)
loaded
2.
Sensor connection
3.
Electrical
wiring
4.
Sensor malfunctioning
5.
Presence of water in filter and sedimentor
12
WIF sensor
P2269 F_M_WATER_IN_FUEL_APV Water in Fuel
Detected
Reflash if wrong ULP loaded
Remove and connect again
Terminal backout, wire open circuit & short
circuit
Change sensor
Drain and check for water in LP circuit
No pedal response. Engine raises to 1300
rpm
11 Injectors
P0201 F_M_FCI_OC_INJ_APV_0
Open circuit fault - Injector 1
P0202 F_M_FCI_OC_INJ_APV_3
Open circuit fault - Injector 4
P0203 F_M_FCI_OC_INJ_APV_1
Open circuit fault - Injector 2
P0204 F_M_FCI_OC_INJ_APV_2
Open circuit fault - Injector 3
P1201 F_M_FCI_SC_INJ_APV_0
Short circuit HSD to LSD (Injector 1)
P1202 F_M_FCI_SC_INJ_APV_3
Short circuit HSD to LSD (Injector 4)
P1203 F_M_FCI_SC_INJ_APV_1
Short circuit HSD to LSD (Injector 2)
P1204 _M_FCI_SC_INJ_APV_2
Short circuit HSD to LSD (Injector 3)
P2147 F_M_FCI_DRIVE_APV_0
Injector bank 1 fault - shorted to GND
P2148 F_M_FCI_DRIVE_APV_0
Injector bank 1 fault - shorted to VBATT
P2150 F_M_FCI_DRIVE_APV_1
Injector bank 2 fault - shorted to GND
P2151 F_M_FCI_DRIVE_APV_1
Injector bank 2 fault - shorted to VBATT
1.
Key off & check injector connection
2.
Electrical
wiring
3.
ECU connection
1.
Electrical
wiring
2.
Defective injector
1.
Remove injector from Cylinder 1 and
check for fault
1.
Remove injector from Cylinder 2 and
check for fault
Remove and connect again
Terminal backout, wire open circuit
Connect properly
Terminal backout, wire short circuit
Change corr. Injector and update I2C
If fault is present, check wiring of injector
from cylinder 4 to ECU
If fault goes, check wiring of injector from
cylinder 1 to ECU
If fault is present, check wiring of injector
from cylinder 3 to ECU
If fault goes, check wiring of injector from
cylinder 2 to ECU
Engine misfiring / hunting and check
engine lamp at key on
10
ECU NVM
P1614 F_M_P_L_NVM_APV
ECU non volatile memory fault-C2I,MDP
I2C values in ECU
Enter Injector I2C values
Check engine lamp at key on. No pedal
response and Engine raises to 1300 rpm
Connect properly
Fix ECU & Battery ground firmly
Change battery positive cable
Change battery
Vehicle not starting and check engine lamp
at key on
9
Battery
P1560 F_M_BATTERY_APV
Battery voltage monitoring signal fault
P0562 F_M_BATTERY_APV
Battery voltage signal – low (short circuit)
P0563 F_M_BATTERY_APV
Battery voltage signal – high (open circuit)
1.
Battery and ECU connections
2.
Resistance betn chassis & ECU grd
3.
Battery charge circuit (Insulation on
battery positive cable)(Alternator circuit)
4.
Battery voltage at key on (min 9 V)(Min
voltage for ECU is 6 volts - considering
2.5 Volts reduction during cranking)
8
Pedal sensor
P0122 F_M_PEDAL_TRACK1_APV Pedal sensor fault - electrical track1 - signal low
P0123 F_M_PEDAL_TRACK1_APV Pedal sensor fault - electrical track1 - signal high
P1120 F_M_PEDAL_TRACK1_APV Pedal sensor fault - electrical track1 - VEXT
P0222 F_M_PEDAL_TRACK2_APV Pedal sensor fault - electrical track2 - signal low
P0223 F_M_PEDAL_TRACK2_APV Pedal sensor fault - electrical track2 - signal high
P1220 F_M_PEDAL_TRACK2_APV Pedal sensor fault - electrical track2 - VEXT
Vehicle not starting and check engine lamp
at key on
Check engine lamp at key on. No pedal
response and Engine raises to 1300 rpm
Remove and connect again
Terminal backout, wire open circuit & short
circuit
Connect properly
Change Device
1.
Pedal
Device connection
2.
Electrical
wiring from ECU to intermediate
connector & from connector to Pedal
sensor
3.
ECU connection
4.
Pedal
Device malfunctioning