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ENGINE 273 MPFI

285

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

P1615

Stalled Starter

-

OFF 63 YES 1. Starter is inhabitted for 10 sec.

1. Check starter for stalled / stuck

2. Start not possible

2. Check crankshaft Stuck / Jam

P1201

Engine stalled due to overheating

Engine

Blinking 53 YES 1. Engine shut-off

1. Check cooling FAN.

overheat

2. Danger of damage to engine and other components in engine 2. Check radiator coolant level

room

3. Check coolant circuit.

P0171

LambdaTooLean

Blinking 72 YES 1. Too lean fuel can heat of the engine as well as exhaust

1. Blocked fuel line

components.

2. Faulty fuel regulator

2.Accelearation and overall vehicle performance is affected.

3. Blocked/leaking injectors

4. Faulty Injector

P0172

LambdaToo Rich

Blinking 72 YES 1. Fuel consumption is increased.

5.Air leakage through intake system

2. Too rich fuel can also result in bad combustion and hence poor

performance.

P2187

LambdaToo Lean at Idle

Injector delay

ON 72 YES 1. Affect idle stability.

time incorrect

2.Affect performance in Low engine speed and load zones.

/Air intake

leakage/MAP

sensoroffset

incorrect.

P2188

LambdaToo Rich at Idle

ON 72 YES 1. Affect idle stability.

2.Affect performance in Low engine speed and load zones.

P0506

IdleAir Control System RPM Lower Than

stuck/blocked ON 33 YES 1. Very low idle engine speed

1. Blocked/Stuck stepper motor

Expected

stepper motor.

2.Intake air leakage/ blockage of air path

3. Check for connections to intake manifold like canister

P0507

IdleAir Control System RPM HigherThan

Intake air

ON 33 YES 1. Idle engine speed is high or sawing of engine

hose,break booster hose, Pressure sensor mounting and

EXpected

leakage/stuck

mounting bolts of intake manifold to engine.

stepper motor

P0324

Knock Control System Error

signalerror

ON 29 YES 1. No knock control active.

1) Loose /Damaged connector.

2. Permanent ignition retardation.

2) Knoch sensor positive/ negative line Short to Battery/

3. Engine damage can happen with bad fuel quality.

Ground.

3) Check the continuity from knock sensor connector

P0327

Knock Sensor Circuit Low

Short Circuit

ON 29 YES 1. No knock control active.

pins to the ECU pins ( ECU pin 29 and 41).

toGround

2. Permanent ignition retardation.

4) Check for back out of pins at both knock sensor

3. Engine damage can happen with bad fuel quality.

connector and ECU connector.

5) Faulty sensor.

P0328

Knock Sensor Circuit High

Short Circuit

ON 29 YES 1. No knock control active.

6)Faulty ECU.

to Battery

2. Permanent ignition retardation.

3. Engine damage can happen with bad fuel quality.

P0532

A/C Refrigerant Pressure Sensor “A” Circuit

Short Circuit

OFF 55 YES 1.A/C switched off.

1) Loose /Damaged connector.

Low

to Battery

2)A/C presuure sensor signal line Short to Battery/

Ground.

P0533

A/C Refrigerant Pressure Sensor “A” Circuit

Short Circuit

OFF 55 YES 1.A/C switched off.

3) Check the continuity fromA/C pressure sensor sensor

High

toGround/

connector pins to the ECU pins ( ECU pin 23).

No signal

4) Check for back out of pins at bothA/C pressure

detected

sensor connector and ECU connector.

5) Faulty sensor.

6)Faulty ECU.