1452-1453 / 1904
ENGINE
DTC
DESCRIPTION
CAUSE
DIAGNOSTIC
LAMP (
MIL
)
DIAGNOSTIC
LAMP (
CEL
)
Gil When
Driven In CNG
PROBABLE TROUBLE AREA
2) When the misfire
percentage is more
than the catalyst
damaging index
ON
OFF
Special
Case
P 1603
Temperature
warning light
open/short circuit
error
open/short circuit
Error
OFF
OFF
ON
1) Loose/Damaged connections.
2)Output line shorted to ground or battery
P 1606
Check Service
Lamp open/short
circuit
Open/short circuit
Error
OFF
OFF
ON
1. Loose or damaged connections.
P1607
GIL Lamp
open/short circuit
error
Open/short circuit
Error
OFF
OFF
OFF
1. Loose or damaged connections.
2) Check the continuity from lamp connector pin to the ECU
pins.( ECU pin 236-Instrument cluster pin 14).
P1608
Lid sensor
Open/Short circuit
error
Open/short circuit
Error
ON
ON
OFF
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 for ground-Sensor pin 1; ECU pin 146-Sensor Pin 2; ECU
pin 116-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 LID sensor.
8) Faulty ECU.
P1609
Lid Signal Non
Plausible
Non Plausible error
OFF
ON
OFF
P1610
GAS Level
open/short circuit
error
Open/short circuit
Error
OFF
OFF
ON
1. Loose or damaged connections.
2) Check the continuity from indicator connector pins to the ECU pins.( ECU pin 242-Instrument cluster pin 11).
P1615
Stalled Starter
----
OFF
OFF
ON
1. Check starter for stalled / stuck
2. Check crankshaft Stuck / Jam
P1639
CNG Tank Valve
1 Short circuit to
Ground
Short to Ground
OFF
ON
ON
1) Loose/ Damaged Connections or Intermittent fault.
2) Actuator supply line Short circuit to Battery/ Ground.
3) Actuator Signal line Short circuit to Battery/ Actuator Supply/Ground.
4) Check the continuity from Actuator connector pins to he ECU pins.(tank valve 1 ECU pin 252 , tank valve 2 ECU pin 251 & Pin 1 for both