9044562

Refer to "Shop Manual" and viasullay and/or physically inspect following conditions;

- Vacuum hoses for splits, kinks and improper connections.

- Throttle Body Gasket.

- Gasket between Intake Manifold and Cylinder head.

- Seals between Intake Manifold and Fuel Injectors.

- Exhaust system between O2 sensor and the Three way catalyst for air leakage.

- Air Cleaner filter element for excessive dirt or for any foreign objects.

- Throttle body inlet for damage or for any foreign objects.

- Throttle bore and throttle plate for chocking and for any foreign objects.

- Restricted exhaust system.

Has any problems been found?

▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.

▶ Carefully re-do this troubleshooting guide steps.

▶ If the diagnostics have been performed correctly with no failure found and no problems were found with the circuits or connectors, replace the ECM/PCM and then go to "Verification of Vehicle Repair" procedure.

caution

When replacing the ECM/PCM, the vehicle equipped with the immobilizer must be performed procedure as below

[In the case of installing used ECM/PCM]

1) Perform "ECM Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group)

2) After finishing "ECM Neutral mode", perform "Key teaching" procedure with GDS. (Refer to "Immobilizer" in BE group)

[In the case of installing new ECM/PCM]

Perform "Key teaching" procedure with GDS. (Refer to "Immobilizer" in BE group)

caution

When replacing the ECM/PCM, the vehicle equipped with the smart key system (Button start) must be performed procedure as below.

[In the case of installing used ECM/PCM]

1) Perform "ECM Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group)

2) After finishing "ECM Neutral mode", insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM/PCM learns the smart key information automatically.

[In the case of installing new ECM/PCM]

Insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM/PCM learns the smart key information automatically.