Dtc P0443 Purge Control Valve Circuit Malfunction - Suzuki Ignis Service Manual

6-100 ENGINE GENERAL INFORMATION AND DIAGNOSIS

DTC P0443 PURGE CONTROL VALVE CIRCUIT MALFUNCTION

WIRING DIAGRAM / CIRCUIT DESCRIPTION
1
1. EVAP canister purge valve
NOTE:
For TYPE A and TYPE B, refer to NOTE in "ECM VOLTAGE VALUES TABLE" for applicable model.
DTC DETECTING CONDITION
Canister Purge control valve circuit is opened or
shorted.
DTC CONFIRMATION PROCEDURE
1) Clear DTC with ignition switch ON.
2) Select "DTC" mode on scan tool and check DTC.
INSPECTION
Step
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 : 1 MΩ or higher
Is it as specified?
Fig. 1 for Step 1
BLK/RED
BLU/BLK
[A] : Case of TYPE A is shown (See NOTE)
Action
+B
BLK/ORN
BLK/ORN
[B] : Case of TYPE B is shown (See NOTE)
• "BLU/BLK" circuit open or short
• "BLK/RED" circuit open or short
• Canister purge valve malfunction
Yes
"BLU/BLK" circuit
open or short.
"BLK/RED" circuit
open or short.
ECM
C42-4 [A]
C42-2 [B]
C42-1
C42-3
POSSIBLE CAUSE
No
Replace EVAP canister
purge valve.