290 / 1904
ENGINE 273 MPFI
284
P Code Description as per ISO/SAE
Fault cause MIL /
Blink Diag Detection / Customer Effect
Probable Trouble area
Check Code Tool
for
BS-III-IV
P0691
Radiator Fan Control Circuit Low
Short Circuit
ON 38 YES 1. Fan may get ON always increasing fuel consumption and may 1) Loose/ Damaged Connections.
toGround
cause damage to the Fan.
2) Relay supply line Short circuit toBattery/ Ground.
2. Fan is not running.
3) Relay Control line Short circuit to Battery/ Ground.
3. Engine heat up & seize and may cause damage to components. 4) Check the continuity from Radiator Fan Relay
connector pin to the ECU pin 4.
P0692
Radiator Fan Control Circuit High
Short Circuit
ON 38 YES 1. Fan is not running.
5) Check for back out of pins at ECU connector.
to Battery
2. Engine heat up & seize and may cause damage to components. 6) Faulty Radiator Fan Relay.
7) Faulty ECU.
P0695
Condensor Fan Control Circuit Low
Short Circuit
OFF 51 YES 1. Fan may get on always increasing fuel consumption and may 1) Loose/ Damaged Connections.
toGround
cause damage to Fan.
2) Relay supply line Short circuit toBattery/ Ground.
2.A/C compressor may get damage.
3) Relay Control line Short circuit to Battery/ Ground.
4) Check the continuity from Condenser Fan Relay
P0696
Condensor Fan Control Circuit High
Short Circuit
OFF 51 YES 1. Fan is not running.
connector pin to the ECU pin 49.
to Battery
2.A/C compressor heat up and may get damaged.
5) Check for back out of pins at ECU connector.
6) Faulty Condenser Fan Relay.
7) Faulty ECU
P1601
Malfunction Indicator Lamp (Check Nano Lamp) Short Circuit
Not
YES 1. No effect on vehicle performance.
1) MIL control line short/Grounded in the harness.
ControlCircuitLow
toGround Controlled
2. Check Nano Lamp may glow continuously causing customer
2)ECUhardwaresoftware failure
distraction and dissatisfication.
P1602
Malfunction Indicator Lamp (Check Nano Lamp) Short Circuit
Not
YES 1. No effect on vehicle performance.
Control Circuit High
to Battery Controlled
2. Check Nano Lamp won’t glow & driver can’t get warning for
errors.
P1603
Temperaturewarning light fault
SignalError
OFF 43 YES 1.Noeffectonvehicleperformance.
1)Loose/Damagedconnections.
2. High temperature alert not active.
2)Output line shorted to ground or battery
3. Damage to the engine is possible if engine overheating is also
possible.
P1604
Temperature warning light circuit short to
Short Circuit
OFF 43 YES 1.Noeffectonvehicleperformance.
Ground
toGround
2. High temperature alert not active.
3. Damage to the engine is possible if engine overheating is also
possible.
P1605
Temperature warning light circuit short to
Short Circuit
OFF 43 YES 1.Noeffectonvehicleperformance.
Battery
to Battery
2. High temperature alert not active.
3. Damage to the engine is possible if engine overheating is also
possible.
P2279
Intake air system leak
Crack in the
ON 71 YES 1. High engine idle rpm
1. Damaged inlet manifold
manifold,
2. Exhaust & catalyst heat up
2.Canisterpurgehose removed/damaged
canisterpurge
3.Overheatingof theengine
hoseremoved
P0617
Starter Relay Circuit High
Short Circuit
OFF 63 YES Starter is released (always closed relay )
1) Check continuity from ECU Pin 13 to Starter Relay coil
to Battery
Starter protection is not possible
grounding pin in the relay.
2) Check for loose connections
P0616
Starter Relay Circuit Low
Short Circuit
OFF 63 YES Start not possible. Starter will never engage as relay remains
3) Check for connection damage and back out at both the
toGround
always open.
connectors ( ECU & Relay)
4) Check the supply connections of the relay as per the
P0615
Starter Relay Circuit
SignalError
OFF 63 YES Starter is released (always closed relay )
wiringdiagram.
Starter protection is not possible
5) Faulty or sticky relay
6) Faulty ECU