EVAP Canister Purge Regulator Valve 1 - N80-, Checking

General Description

EVAP System Is Designed So That The Admission Of Fuel Vapors Takes Place Only At Idle And At Light Part-Throttle. The EVAP Canister Purge Regulator Valve 1 -N80- is activated by the Engine Control Module -J623- to accomplish this task.

Special Tools And Workshop Equipment Required

Multimeter.
Wiring Diagram.
Scan Tool.

Test Requirements

Fuses OK.
Battery voltage OK.
Switch OFF All electrical and electronic accessories.
Vehicles with Auto. Transmission, ensure Selector Lever position is in "P".
Vehicles with Manual Transmission, ensure Shifter Lever position is in "N" with Parking Brake applied.
Observe all safety precautions: SAFETY PRECAUTIONS .
View clean working conditions: CLEAN WORKING CONDITIONS .

Test Procedure

Step	Procedure	Result / Action to Take
1	PERFORM: Preliminary Check to verify the customers complaint. Refer to PRELIMINARY CHECK . -- Was Complaint verified?	-- YES: GO TO: Step 2 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 2 . -- NO: GATHER more information from customer about the complaint.
2	IGNITION: OFF. DISCONNECT: EVAP Canister Purge Regulator Valve 1 -N80- harness connector. CHECK: EVAP Canister Purge Regulator Valve 1 -N80- component connector terminals 1 to 2 for resistance. SPECIFIED VALUE: 9 - 14 Ω (@ approx. 20° C). -- Was Value obtained?	-- YES: GO TO: Step 3 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 3 . -- NO: REPLACE: EVAP Canister Purge Regulator Valve 1 -N80-. Refer to the appropriate service information. GO TO: Step 5 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 5 .
3	IGNITION: ON. CHECK: EVAP Canister Purge Regulator Valve 1 -N80- harness connector terminal 1 to ground for voltage. IGNITION: OFF. SPECIFIED VALUE: Battery voltage. -- Was Value obtained?	-- YES: GO TO: Step 4 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 4 . -- NO: PERFORM: Visual Inspection of wiring and component. CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals. REPAIR: Faulty wiring or connector. GO TO: Step 5 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 5 .
4	REMOVE: Engine Control Module - J623-. Refer to the appropriate service information. CHECK: EVAP Canister Purge Regulator Valve 1 -N80- harness connector terminal 2 to the Engine Control Module - J623- harness connector T94 / 75 for resistance. SPECIFIED VALUE: 0.5 Ω (± 0.3 Ω). -- Was Value obtained?	-- YES: GO TO: Step 5 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 5 . -- NO: PERFORM: Visual Inspection of wiring and component. CHECK: Wiring for open, high resistance, short or harness connector for damage, corrosion, loose or broken terminals. REPAIR: Faulty wiring or connector. GO TO: Step 5 EVAP Canister Purge Regulator Valve 1 - N80-, CHECKING - 5 .
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