SAFARI

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178
POSSIBLEFAULTSONCRANKINGANDDYNAMICTESTING
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
DTCCODE
11
GlowPlug Drive
P1678 F_M_GLOWPLUG_DRIVE_APV GlowPlug Driver fault - Open circuitP1679 F_M_GLOWPLUG_DRIVE_APV GlowPlug Driver fault - short circuitP1680 F_M_GLOWPLUG_DRIVE_APV GlowPlug Driver fault - short circuit to ground
1. Glow Plug box connection2.
Electrical
wiring
3.
ECU connection
4.
Glow Plug box malfunctioning
Remove and connect againTerminal backout, wire open circuit & shortcircuitConnect properlyChange glow plug box
Check Engine lamp after starting
10
Brake switch
P0571 F_M_BRAKE_SWITCH_APV
Brake switch sensor - Brake pedal - signal error
Remove and connect againSupply continuity and corresponding fuseTerminal backout, wire open circuit & shortcircuitConnect properlyEnsure proper positioning and setting
Brake light continously on. Fault
may also
appear if driver has pressed pedal and brakesimultaneously
1.
Switch connection
2.
12V supply and fuse
3.
Electrical
wiring
4.
ECU connection
5.
Brake Bracket, switch and setting
9
Clutch switch
P0704 F_M_CLUTCH_APV
Clutch switch Electrical fault
1.
Switch connection
2.
12V supply and fuse
3.
Electrical
wiring
4.
ECU connection
5.
Clutch Bracket, switch and setting
Remove and connect againSupply continuity and corresponding fuseTerminal backout, wire open circuit & shortcircuitConnect properlyEnsure proper positioning and setting
Fault appears above 40 kmph. No Checkengine lamp
8
VNT & EGRCircuit
P0299 F_M_VGT_ERROR_BOOST_APV Boost control error (boost error too high / too low)P0400 F_M_EGR_ERROR_AIR_APV Exhaust Gas Recirculation Plow Malfunction
1.
Vacuum connection from resorvoir
2.
Check valve
3.
Vacuum connections from EVRV
4.
Electrical connections on EVRV
5.
Vacuum tube condition
6. Insufficient vacuum
Ensure no leakage / proper connectionEnsure proper assemblyEnsure proper connections to EGR and VGTvalvesEnsure proper connection and wiringEnsure no kink or leakageDo necessary repair
Check Engine lamp and Poor Vehicleacceleration
7
VNT&EGRDrive
P0245 F_M_VGT_VALVE_DRIVE_APV Turbine Actuator Drive fault - short to GNDP0246 F_M_VGT_VALVE_DRIVE_APV Turbine Actuator Drive fault - short circuitP0489 F_M_EGR_VALVE_DRIVE_APV EGR solenoid valve control - shorted to GNDP0490 F_M_EGR_VALVE_DRIVE_APV EGR solenoid valve control - shorted to Vbat
Remove and connect againTerminal backout, wire open circuit & shortcircuitConnect properlyChangeEVRV
1.
EVRV connection
2.
Electrical
wiring
3.
ECU connection
4.
EVRV malfunctioning
Check Engine lamp at key on and PoorVehicle acceleration
1.
Electrical connection from sensor tocluster
2.
Electrical connection from cluster to ECU
3.
Source of vehicle speed signal
Poor Vehicle acceleration and check engine
5
Vehicle Speed Sensor
P0500 F_M_VEH_SPEED_APV
Vehicle Speed Sensor Malfunction
P0501 F_M_VSS_CONSISTENCY_APV Vehicle Speed Sensor Plausibility fault
Terminal backout, wire open and shortcircuitTerminal backout, wire open and short circuitChange Vehicle speed sensor
6
Pedal Sensor
P0120 F_M_PEDAL_LIMPH_APV
Pedal sensor fault - triggers limp home mode
P1121 F_M_PEDAL_REDUC_APV
Pedal sensor fault - trigger reduced torquemode
P1123 F_M_PEDAL_CORREL_APV Pedal correlation fault -Track1 over Track2P1223 F_M_PEDAL_CORREL_APV
Pedal correlation fault -Track2 over Track1
P2299 F_M_PEDAL_STUCK_APV
Pedal sensor electrical fault -pedal stuck
1.
Pedal
Device connection
2.
Electrical
wiring
3.
ECU connection
4.
Pedal
Device malfunctioning
5.
Brake contactor connection
Remove and connect again20 pin connector at co-driver side, 12/16 pingrey connector from engine harnessConnect properlyChange DeviceRectify / change brake contactor
No pedal response. Engine raises to 1300rpm and check engine lamp