Self-diagnosis malfunction codes

 

When a system malfunction occurs, the malfunction code number is displayed on the LCD display of the meter assembly and is indicated by the immobilizer system indicator light flash patterns.

 

Malfunction	Part	Symptom		Cause		Action
code
	Immobilizer unit	Code cannot be transmitted	1) Radio wave interference	1)	Keep magnets, metal
		between the key and immo-		caused by objects around the		objects, and other
		bilizer unit.		keys and antennas.		immobilizer system
			2)	Immobilizer unit malfunction		keys away from the
		3)	Key malfunction		keys and antennas.
					2)	Replace the main
						switch/immobilizer unit.
					3)	Replace the key.
	Immobilizer unit	Codes transmitted between	1)	Signal received from other	1)	Place the immobilizer
		the key and immobilizer unit		transponder (failed to recog-		unit at least 50 mm
		do not match.		nize code after ten consecu-		away from the transpon-
			tive attempts).		der of other scooters.
			2)	Signal received from unregis-	2)	Register the standard
				tered standard key.		key.
	Immobilizer unit	Code cannot be transmitted	Noise interference or discon-	1)	Check the wire harness
		between the ECU (engine)	nected lead/cable.		and connector.
		and immobilizer unit.	1)	Interference due to radio wave	2)	Replace the main
				noise.		switch/immobilizer unit.
		2)	Disconnected communication	3)	Replace the ECU
				harness.		(engine).
			3)	Immobilizer unit malfunction
			4)	ECU (engine) malfunction
	Immobilizer unit	Codes transmitted between	Noise interference or discon-	1)	Register the code re-
		ECU (engine) and immobi-	nected lead/cable.		registering key.
		lizer unit do not match.	1)	Interference due to radio wave	2)	Check the wire harness
				noise.		and connector.
			2)	Disconnected communication	3)	Replace the main
				harness.		switch/immobilizer unit.
		3)	Immobilizer unit malfunction	4)	Replace the ECU
			4)	ECU (engine) malfunction		(engine).
				(The ECU (engine) or immobi-
				lizer unit has been replaced
				with a used unit from another
				scooter.)
	Immobilizer unit	Key code registration mal-	Same standard key was	Register a new standard
		function	attempted to be registered two	key.
			consecutive times.
	ECU (engine)	Unidentified code is	Noise interference or discon-	1)	Check the wire harness
		received.	nected lead/cable.		and connector.
			1)	Interference due to radio wave	2)	Replace the main
				noise.		switch/immobilizer unit.
		2)	Disconnected communication	3)	Replace the ECU
				harness.		(engine).
			3)	Immobilizer unit malfunction
			4)	ECU (engine) malfunction

 

 

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_{IMMOBILIZER SYSTEM} ELEC ^{– +}

 

Immobilizer system indicator light malfunction code indication

 

Units of 10: on for 1 second and off for 1.5 seconds.

 

Units of 1: on for 0.5 second and off for 0.5 second.

 

<Example> malfunction code 52 Light on

 

Light off

 

1 1.5 1 1.5 1 1.5 1 1.5 1 1.5 0.5 0.5 0.5 3

 

 

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_{IMMOBILIZER SYSTEM} ELEC ^{– +}

 

EAS00794 EAS00739

TROUBLESHOOTING

 

When the main switch is turned “ON”, the immobilizer system indicator light does not come on or flash.

 

Check:

 

1. main, ignition, and backup fuses

 

2. battery

 

3. main switch

 

4. wiring connections

 

(of the entire immobilizer system)

 

2. Battery

 

• Check the condition of the battery.

 

Refer to “CHECKING AND CHARGING THE BATTERY” in chapter 3.

Minimum open-circuit voltage 12.8 V or more at 20 °C (68 °F)

 

• Is the battery OK?

 

		YES		NO

 

NOTE:

• Before troubleshooting, remove the following part(s):

 

1. battery cover

 

2. rear cover

 

3. front cowling

 

4. leg shield

 

• Troubleshoot with the following special tool(s).

 

Pocket tester 90890-03112, YU-03112-C

 

EAS00738

 

1. Main, ignition and backup fuses

 

• Check the main, ignition and backup fuses for continuity.

 

Refer to “CHECKING THE FUSES” in chapter 3.

 

• Are the main, ignition and backup fuses OK?

 

		YES		NO

Replace the fuse(s).

 

• Clean the battery terminals.

 

• Recharge or replace the battery.

 

EAS00749

 

3. Main switch

 

• Check the main switch for continuity. Refer to “CHECKING THE SWITCHES”.

• Is the main switch OK?

 

		YES		NO

Replace the main switch/immobilizer unit.

 

EAS00787

 

4. Wiring

 

• Check the entire immobilizer system wir-ing.

 

Refer to “CIRCUIT DIAGRAM”.

 

• Is the immobilizer system wiring properly connected and without defects?

 

		YES		NO

 

Check the condition of each of the immo-bilizer system cir-cuits.

 

Refer to “CHECK-

 

ING THE IMMOBI-

 

LIZER SYSTEM”.

 

Properly connect or repair the immobilizer system wiring.

 

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