ENGINE
DTC
DESCRIPTION
CAUSE
DIAGNOSTIC
LAMP (
MIL
)
DIAGNOSTIC
LAMP (
CEL
)
Gil When
Driven In CNG
PROBABLE TROUBLE AREA
P0560
System Voltage
not detected
Signal Error
OFF
OFF
ON
1) Loose/ Damaged Connections.
2) Faulty Alternator/ Rectifiers.
3) Sulphated Battery terminals.
4) Battery Voltage check.
P0562
System Voltage
Low
Minimum range
OFF
OFF
ON
P0563
System Voltage
High
Minimum range
OFF
OFF
ON
P0615
Starter Control
Relay pin open
circuit
Signal Error
OFF
OFF
ON
1) Check continuity from ECU Pin 245 to Starter Relay coil grounding pin in the relay.
2) Check for loose connections
3) Check for connection damage and back out at both the connectors ( ECU & Relay)
4) Check the supply connections of the relay as per the wiring diagram.
4) Faulty or sticky relay
5) Faulty ECU
P0616
Starter Control
Relay pin short to
ground
Short Circuit to
Ground
OFF
OFF
ON
P0617
Starter Control
Relay pin short to
battery
Short Circuit to
Battery
OFF
OFF
ON
P0622
Alternator duty
cycle signal not
plausible
Signal out of range
OFF
OFF
ON
1) Loose /Damaged connector.
2) Alternator signal line Short to Battery/ Ground.
3)Check for back out of pins at both Alternator signal line connector and ECU connector
4) Faulty Alternator
P0625
Alternator duty
cycle signal short
to ground
Short Circuit to
Ground
OFF
OFF
ON
P0626
Alternator duty
cycle signal short
to Battery
Short Circuit to
Battery
OFF
OFF
ON




