FUEL INJECTOR INJECTION AMOUNT CORRECTION [MZR-CD 2.2]

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Using M-MDS

1.  Connect the M-MDS (IDS) to the DLC-2.

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2.  After the vehicle is identified, select the following items from the initial screen of the IDS.

1.  Select the “Powertrain”.

2.  Select the “Engine Checks”.

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

1.  Select “Learning”.

2.  Select “Injection Amount Correction”.

4.  Retrieve DTC’s using the IDS, then verify if DTCs are present.

•  If a DTC is present, perform the applicable DTC inspection.

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 the 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.  Wait for 7 min or more.

3.  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, stop the engine and return to procedure 1.

Note

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