1285 / 1428
ENGINE
DTC
DESCRIPTION
CAUSE
DIAGNOSTIC
LAMP (
MIL
)
DIAGNOSTIC
LAMP (
CEL
)
Gil When
Driven In CNG
PROBABLE TROUBLE AREA
1) When misfire
percentage is more
than a calibrated
OBD emission
threshold
ON
Blinking
OFF
Special
Case
2)When the misfire
percentage is more
than the catalyst
damaging index
ON
Blinking
OFF
Special
Case
P0324
Knock sensor
signal error
signal error
OFF
ON
ON
1) Loose /Damaged connector.
2) Knock sensor positive/ negative line Short to Battery/ Ground.
3) Check the continuity from knock sensor connector pins to the ECU pins (ECU pin 237 – Knock sensor pin1 and ECU Pin 238 – Knock
sensor pin 2).
4) Check for back out of pins at both knock sensor connector
and ECU connector.
5) Faulty sensor.
6) Faulty ECU
P0327
Knock sensor
negative line short
to ground
Short Circuit to
Ground
OFF
ON
ON
P0327
Knock sensor
positive line short
to ground
Short Circuit to
Ground
OFF
ON
ON
P0328
Knock sensor
negative line short
to Battery
Short Circuit to
Battery
OFF
ON
ON
P0328
Knock sensor
positive line short
to Battery
Short Circuit to
Battery
OFF
ON
ON
P0336
Crankshaft
Position Sensor
Error
Signal out of range
OFF
ON
ON
1) Loose/ Damaged Connections.
2) Sensor supply line Short circuit to Battery/ Ground.
3) Sensor Signal line Short circuit to Battery/ Ground.
4) Check the continuity from sensor connector pins to the ECU pins (ECU pin 201-Sensor pin 1;ECU pin 213-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) Damaged Flywheel Gears/ TARGET WHEEL.
8) MISALIGNMENT/ Increased Air gap OF THE SENSOR.
9) Faulty CKP Sensor.
10) Faulty ECU