1430-1431 / 1904
ENGINE
DTC
DESCRIPTION
CAUSE
DIAGNOSTIC
LAMP (
MIL
)
DIAGNOSTIC
LAMP (
CEL
)
Gil When
Driven In CNG
PROBABLE TROUBLE AREA
P0201
Gasoline Cylinder
1 Injector Open /
Short circuit to
battery
Open Circuit or
Short to battery
ON
OFF
ON
1) Loose/ Damaged Connections or Intermittent fault.
2) INJ supply line Short circuit to Battery/ Ground.
3) INJ control line Short circuit to Battery/ Ground.
4) Check the continuity from injector connector pins to the ECU pins.(ECU pin 244-Injector 1 Pin 1; ECU pin 243- Injector 2 pin 1 ECU Pin
155 – Injector 1 & 2 Pin 2). 12 volts should come at the remaining individual pins of the injectors.
5) Check for back out of pins at both Sensor connector and ECU connector.
6) Check for damage of pins at both sensor connector and ECU connector.
7) Faulty INJ.
8) Faulty ECU
P0202
Gasoline Cylinder
2 Injector Open /
Short circuit to
batter
Open Circuit or
Short to battery
ON
OFF
ON
P0261
Gasoline Cylinder
1 Injector short to
ground
Short Circuit to
Ground
ON
OFF
ON
P0264
Gasoline Cylinder
2 Injector short to
ground
Short Circuit to
Ground
ON
OFF
ON
P0351
Ignition Coil
Primary circuit
short to battery/
Current overload
in IGBT
Short Circuit to
Battery
ON
OFF
ON
1) Loose /Damaged connector.
2) IGN Coil Control line Short to Battery/ Ground.
3) Check the continuity from Ignition Coil connector pins to the ECU pins (ECU pin 256-Ignition Coil pin 2, ECU pin 156-Ignition Coil pin
1).12 volts should come at ignition ON.
4) Check for back out of pins at both Ignition Coil connector and ECU connector.
5) Faulty Ignition Coil/ HT Leads/ Spark Plugs.
6)Faulty ECU