FUEL INJECTOR INJECTION AMOUNT CORRECTION [MZR-CD 2.2]

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Using M-MDS

1.  Connect the M-MDS to the DLC-2.

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2.  After the vehicle is identified, select the following items from the initial screen of the M-MDS.

When using the IDS (Laptop PC)

1.  Select the “Powertrain”.

2.  Select the “Engine Checks”.

When using the PDS (Pocket PC)

1.  Select the “All Tests and Calibrations”.

3.  Then, select items from the screen menu in the following order.

1.  Select the “Learning”.

2.  Select the “Injection Amount Correction”.

4.  Perform the procedure according to the directions on the screen.

Note

•  If there is an error in the fuel injection amount learning, use the following PIDs to verify the cause of the error.

•  If there are several errors in the fuel injection amount learning, the additional display codes are indicated.

Monitor item	Display code	Cause of error
INJ_LRN_F1	1	Vehicle is running.
	2	Each cylinder rotation is unbalance.
	4	Accelerator pedal is operated.
	8	Power steering wheel is operated.
	16	Clutch pedal is operated.
	32	Diesel particulate filter regeneration is required.
	64	Diesel particulate filter regeneration is operated.
	128	MAF learning is operated.
	256	Speed sensor is trouble.
	512	ISC is not operated.
	1024	Learning Injector Tolerance is EER.
	2048	Shift position is not neutral or parking.
	4096	Lost communication with AT control unit
	8192	Diesel particulate filter regeneration is started.
	16384	Diesel particulate filter regeneration cooling is operated.
	32768	Diesel particulate filter functional check is operated.
INJ_LRN_F2	1	Engine is rough idling.
	2	Air conditioner is operated.
	4	Freezer idle up is operated.
	8	Blower fan is operated.
	16	Air conditioner switch is on.
	32	Air conditioner frequency is more.
	64	Parts of something is trouble.
	128	Engine is not running.
	256	Temperature conditions are failures.
	512	Learning time is over.

Without using M-MDS

1.  Start the engine.

2.  Repeatedly ground the test terminal 5 times within 5 s using a jumper wire.

―  If the glow indicator light does not illuminate, return to procedure 2.

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Note

•  When the fuel injector injection amount correction is completed, the glow indicator light flashes 5 times.