Kawasaki Z400 - Service manual > Purge Valve (Service Code 3A) (DTC P0443) (Equipped Models)

Purge Valve Removal/Installation

• Remove: Left Middle Fairing (see Middle Fairing Removal in the Frame chapter)
• Disconnect the purge valve connector [A]
• Remove

Canister Bracket Bolt (L = 10 mm) [B]

Canister Bracket Bolt (L = 20 mm) [C]

• Remove the purge valve nut [A]
• Remove the purge valve [B] from the bracket.
• Slide the champs [C]
•  Disconnect the hoses [D] Installation is the reverse of removal.
• Run the hoses correctly (see Cable, Wire, and Hose Routing section in the Appendix chapter).
• Tighten

Toque - Purge Valve Nut: 6.9 Nm (0.70 kgf*m, 61 in-lb) Canister Bracket Bolts: 9.8 Nm (1.0 kgf*m, 87 In-lb)

Purge Valve Inspection

• Remove the purge valve (see Purge Valve Removal/Installation).
• Connect a digital meter [A] to the purge valve terminals as shown

Purge Valve Resistance Standard: 30-34 @20ºC(68ºF)

*If the resistance reading is out of the specified value, replace it with a new one.

• Connect the 12 V battery [A] to the purge valve terminals as shown.

• Blow the air to the intake air duct [A], and make sure that the air flows from the outlet air duct [B].

Disconnect the 12 V battery.

Blow the air to the intake air dud [A] again, and make sure that the air does not from flaw the outlet air duct [B].

*If the purge valve dose not operate as described, replace it with a new one.

*If the purge valve is normal, check the wiring for continuity (see Purge Valve Circuit).

*If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection).

*If the ground and power supply are good, replace the ECU (see ECU Removal/Installation).

Purge Valve Circuit

1. Ignition Switch
2. Purge Valve
3. ECU
4. Engine Ground
5. Battery
6. Main Fuse 30 A
7. Starter Relay
8. Frame Ground (2)
9. Fuse Box (1)
10.  Ignition Fuse 10 A
11. ECU Fuse 15 A
12. ECU Main Relay
13. Relay Box

Warning Indicator Light (LED

Yellow Engine Warning Indicator Light (LED) Inspection

In this model, the yellow engine warning indicator light (LED) [A] goes on or blinks by the data sent from the ECU

• Refer to the Meter Unit Inspection in the Electrical System chapter.

Warning Indicator  (LED) Circuit

1. Meter Unit
2. Yellow Engine Warning Indicator Light (LED)
3. ECU
4. Frame Ground (4)

See also: