Diagnostic Trouble Code Chart

The inspection procedure is shown in the table below. This table permits efficient and accurate troubleshooting using the diagnostic trouble codes displayed in the diagnostic trouble code check. Proceed with troubleshooting in accordance with the inspection procedure given in the diagnostic chart corresponding to the diagnostic trouble codes displayed. The engine diagnostic trouble code chart is shown below as an example.

Toyota Carina Trouble Code

5. PROBLEM SYMPTOMS TABLE

The suspected circuits or parts for each problem symptom are shown in the table below. Use this table to troubleshoot the problem when a "Normal" code is displayed in the diagnostic trouble code check but the problem is still occurring. Numbers in the table indicate the inspection order in which the circuits or parts should be checked. HINT:

When the problem is not detected by the diagnostic system even though the problem symptom is present, it is considered that the problem is occurring outside the detection range of the diagnostic system, or that the problem is occurring in a system other than the diagnostic system.

•Circuit Inspection, Inspection Order Indicates the circuit which needs to be checked for each problem symptom. Check in the order indicated by the numbers.

Indicates the page where the flow chart for each circuit is located.

^Problem Symptom

â–ºCircuit or Part Name

Indicates the circuit or part which needs to be checked.

PROBLEM SYMPTOMS TABLE

Symptom \

Suspected Area

See page

Engine does not crank (Does not start)

y 1. Starter and starter relay

ST-2 ST-17

No initial combustion (Does not start)

1. ECM power source circuit

2. Fuel pump control circuit

3. ECM

DI-147 DI-151 IN-29

No complete combustion (Does not start)

1. Fuel pump control circuit

DI-151

Engine cranks normally (Difficult to start)

1. Starter signal circuit

2. Fuel pump control circuit

3. Compression

DI-144 DI-151 EM-3

Cold engine (Difficult to start)

1. Starter signal circuit

2. Fuel pump control circuit

DI-144 DI-151

Hot engine

1. Starter signal circuit

2. Fuel pump control circuit

DI-144 DI-151

High engine idle speed (Poor idling)

1. A/C signal circuit (Compressor circuit)

2. ECM power source circuit

--^

2. Fuel pump control circuit

2. Fuel pump control circuit

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  • lotta
    How to check diagnostic for toyota tercel 1996?
    7 years ago

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