Problem Symptoms Table

HINT:

When a malfunction is not confirmed by a DTC (Diagnostic Trouble Code) check and the cause of problem cannot be identified through a basic inspection, troubleshoot according to the priority order indicated in the table below.

Symptom

Suspected area

See page

Engine does not crank (Does not start)

1. Immobilizer System

EI-3

2. Starter

ST-3

3. STARTER relay

ST-3

No initial combustion (Does not start)

1. ECM power source circuit

ES-383

2. Fuel pump control circuit

ES-391

3. VC output circuit

ES-388

4. ECM

ES-29

Engine cranks normally but difficult to start

1. Fuel pump control circuit

ES-391

2. Compression

EM-2

Difficult to start with cold engine

1. Starter signal circuit

ES-263

2. Fuel pump control circuit

ES-263

3. Spark plug

IG-3

4. Ignition system

ES-192

5. Injector

FU-6

Difficult to start with warm engine

1. Starter signal circuit

ES-263

2. Fuel pump control circuit

ES-391

3. Spark plug

IG-3

4. Ignition system

ES-192

5. Injector

FU-6

High engine idling speed (Poor idling)

1. A/C signal circuit (compressor circuit)

-

2. ECM power source circuit

ES-383

3. Electronic throttle control system

ES-283

4. Air induction system

-

5. PCV hose

-

Low engine idling speed (Poor idling)

1. A/C signal circuit (compressor circuit)

-

2. Fuel pump control circuit

ES-391

3. Electronic throttle control system

ES-283

4. Air induction system

-

5. PCV hose

-

Rough idling (Poor idling)

1. Compression

EM-2

2. Fuel pump control circuit

ES-391

3. Electronic throttle control system

ES-283

4. Air induction system

-

5. PCV hose

-

Hunting (Poor idling)

1. ECM power source circuit

ES-383

2. Fuel pump control circuit

ES-391

3. Spark plug

IG-3

4. Ignition system

ES-192

5. Injector

FU-6

6. Electronic throttle control system

ES-283

7. Air induction system

-

8. PCV hose

-

Symptom

Suspected area

See page

Hesitation/ Poor acceleration (Poor driveability)

1. Fuel pump control circuit

ES-391

2. A/T faulty* (A750E)

-

3. A/T faulty* (A750F)

AT-8

4. Spark plug

IG-3

5. Ignition system

ES-192

6. Injector

FU-6

Surging (Poor driveability)

1. Fuel pump control circuit

ES-391

2. Spark plug

IG-3

3. Ignition system

ES-192

4. Injector

FU-6

Engine stalls soon after starting

1. Fuel pump control circuit

ES-391

2. Spark plug

IG-3

3. Ignition system

ES-192

4. Injector

FU-6

Engine stalls during A/C operation

1. A/C signal circuit (Compressor circuit)

-

2. ECM

ES-29

Unable/difficult to refuel

Refueling valve (canister)

-

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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