ENGINE TUNE-UP [MZR-CD (RF Turbo)]
ENGINE TUNE-UP [MZR-CD (RF Turbo)]
id0110f1800600
Engine tune-up preparation
1. Start the engine and warm up completely.
2. Verify that the gear is in neutral position.
3. Verify that the accelerator pedal is released.
4. Turn off the A/C switch.
5. Turn off all electrical loads.
6. Verify that no DTC is present.
7. Connect the WDS or equivalent to the DLC-2.
8. Wait until the electrical fan stops.
Idle Speed Inspection
1. Perform “Engine Tune-up Preparation”. (See Engine tune-up preparation.)
2. Monitor the RPM PID using the WDS or equivalent.
3. Verify that engine speed is within specification.
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• If not as specified, inspect the following.
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― Suction control valve
― Fuel injector
― Accelerator position sensor
― ECT sensor
― Fuel pressure sensor
― CMP sensor
― CKP sensor
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Idle-up speed (rpm)
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No load: 725—825
A/C switch is on: 725—825
Correction Procedure
Injection amount correction
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Note
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• Perform this procedure at the recommended interval as described under “Fuel injection system” in “SCHEDULED MAINTENANCE.”
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Using WDS or equivalent
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Note
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• Perform procedure by selecting the corresponding menu on the WDS screen. The procedures appear when “Powertrain” in the “Toolbox tab” is selected.
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2. Perform “Injection Amount Correction” using the WDS or equivalent.
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Without using WDS or equivalent
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1. Start the engine.
2. Repeatedly ground the test terminal 5 times within 5 seconds using a jumper wire.
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― If the glow indicator light does not illuminate, return to procedure 2.
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Note
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• When the fuel injector injection amount correction is completed, the glow indicator light flashes 5 times.
