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6-1-84 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)

1. EVAP canister purge valve

2. To main relay

3. ECM (PCM)

4. Sensed information

5. Intake manifold

6. EVAP canister

7. Tank pressure control valve

8. Fuel vapor line

9. Fuel tank

Fig. 1 for Step 1

DTC P0443 EVAP PURGE CONTROL VALVE CIRCUIT MALFUNCTION

CIRCUIT DESCRIPTION

DTC DETECTING CONDITION POSSIBLE CAUSE

Canister Purge control valve circuit is opened

or shorted.

D “V/R” circuit open or short

D “R/B” circuit open

D Canister purge valve malfunction

DTC CONFIRMATION PROCEDURE

1) Clear DTC with ignition switch ON.

2) Select “DTC” mode on scan tool and check DTC.

INSPECTION

STEP ACTION YES NO

1 Check EVAP canister purge valve operation

1) With ignition switch OFF, disconnect coupler

from canister purge valve.

2) Check resistance of EVAP canister purge

valve.

Resistance between

two terminals : 30 – 34 Ω at 20_C (68_F)

Resistance between

terminal and body : 1M Ω or higher

Is it as specified?

“V/R” circuit open or

short.

Replace EVAP canister

purge valve.

Suzuki Swift User Manual

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