1424-1425 / 1904
ENGINE
DTC
DESCRIPTION
CAUSE
DIAGNOSTIC
LAMP (
MIL
)
DIAGNOSTIC
LAMP (
CEL
)
Gil When
Driven In CNG
PROBABLE TROUBLE AREA
P0112
Intake Air
Temperature
Sensor short to
ground
Short Circuit to
Ground
OFF
ON
ON
1) Loose/ Damaged Connections or Intermittent fault.
2) Sensor supply line Short circuit to Battery/ Ground.
3) Sensor Signal line Short circuit to Battery/ Sensor Supply/Ground.
4) Check the continuity from sensor connector pins to the ECU pins.( ECU pin 103-Sensor pin 1; ECU pin 227-Sensor Pin 2; ECU pin 125-
Sensor pin 3 ECU pin 112- Sensor Pin 4).
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 TMAP Sensor.
8) Faulty ECU
P0113
Intake Air
Temperature
Sensor
Open/Short to
battery
Open/short to
battery
OFF
ON
ON
P0116
Coolant
Temperature
sensor signal Non
Plausible
NPL/ Non Plausible
Error
ON
OFF
ON
1) Loose/ Damaged Connections or Intermittent fault.
2) Sensor supply line Short circuit to Battery/ Ground.
3) Sensor Signal line Short circuit to Battery/ Sensor Supply/ Ground.
4) Check the continuity from sensor connector pins to the ECU pins.( ECU pin 215-Sensor pin 1; ECU pin 205- Sensor pin 2).
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 ECT Sensor.
8) Faulty ECU
P0117
Engine Coolant
Temperature
sensor short to
ground
Short Circuit to
Ground
ON
OFF
ON
P0118
Engine Coolant
Temperature
Sensor
Open/Short to
battery
Open/short to
battery
ON
OFF
ON
P0122
Throttle Position
Sensor
Open/short to
ground
Open/ short to
ground
ON
OFF
ON
2) Sensor supply line Short circuit to Battery/ Ground.
3) Sensor Signal line Short circuit to Battery/ Sensor Supply/Ground.
4) Check the continuity from sensor connector pins to the ECU pins.( ECU pin 203-Sensor pin 1; ECU pin 223- Sensor Pin 2; ECU pin 207
– Sensor pin 3).
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 TPS Sensor.
8) Faulty ECU.
P0123
Throttle Position
Sensor short to
battery / sensor
supply
Short Circuit to
Battery
ON
OFF
ON