DTC 0807

Evaporative Emission (EVAP) Canister Purge Control Solenoid Valve (DTC: 0807)







COMPONENT DESCRIPTION
EVAP canister purge control solenoid valve
The EVAP canister purge control solenoid valve responds to signals from the ECM. When the ECM sends an ON (ground) signal, the vacuum signal (from the throttle body to the EVAP canister purge control valve) is cut.
When the ECM sends an OFF signal, the vacuum signal passes through the EVAP canister purge control solenoid valve. The signal then reaches the EVAP canister purge control valve. The EVAP canister purge control solenoid valve is not used to control the engine system. It is used only for on board diagnosis.




DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE
Perform "Procedure for malfunction A" first. If the DTC cannot be confirmed, perform "Procedure for malfunction B". If there is no problem on "Procedure for malfunction B", perform "OVERALL FUNCTION CHECK", "Procedure for malfunction C".

Procedure for malfunction A

With Consult
1) Turn ignition switch "ON".
2) Select "DATA MONITOR" mode with CONSULT.
3) Wait at least 6 seconds.

OR

With GST
1) Turn ignition switch "ON" and wait at least 6 seconds.
2) Select "MODE 3" with GST.

OR

Without Scan Tools
1) Turn ignition switch "ON" and wait at least 6 seconds.
2) Turn ignition switch "OFF", wait at least 5 seconds and then turn "ON".
3) Perform "Diagnostic Test Mode II (Self-diagnostic results)" with ECM.

Procedure for malfunction B

With Consult
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait at least 5 seconds.
3) Turn ignition switch "ON" and select "DATA MONITOR" mode with CONSULT.
4) Start engine and run it for at least ii seconds at idle speed.
5) Maintain the following conditions for at least 6 seconds.

Air conditioner switch: ON
Steering wheel: Fully turned
Headlamp switch: ON
Rear window defogger switch: ON
Engine speed: 2,900 - 3,300 rpm
Gear position: "P" or "N"

OR

With GST
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait at least 5 seconds.
3) Turn ignition switch "ON" and select "MODE 1" with GST
4) Start engine and run it for at least ii seconds at idle speed.
5) Maintain the following conditions for at least 6 seconds.

Air conditioner switch: ON
Steering wheel: Fully turned
Headlamp switch: ON
Rear window defogger switch: ON
Engine speed: 2,900 - 3,300 rpm
Gear position: "P" or "N"

6) Select "MODE 3" with GST.

OR

Without Scan Tools
1) Start engine and warm it up sufficiently.
2) Turn ignition switch "OFF" and wait at least 5 seconds.
3) Start engine and run it for at least ii seconds at idle speed.
4) Maintain the following conditions for at least 6 seconds.

Air conditioner switch: ON
Steering wheel: Fully turned
Headlamp switch: ON
Rear window defogger switch: ON
Engine speed: 2,900 - 3,300 rpm
Gear position: "P" or "N"

5) Turn ignition switch "OFF", wait at least 5 seconds and then turn "ON".
6) Perform "Diagnostic Test Mode II (Self-diagnostic results)" with ECM.

OVERALL FUNCTION CHECK
Use this procedure to check the overall monitoring function of the EVAP canister purge control solenoid valve. During this check, a DTC might not be confirmed.

Procedure for malfunction C

With Consult
1) Start engine and warm it up sufficiently.
2) Select "PURG CONT S/V" in "ACTIVE TEST" mode, and select "CAN CON VC SW" as the monitor item with CONSULT.




3) Touch "ON" and check "CAN CON VC SW" is now "ON".

OR

Without Scan Tools
1) Start engine.




2) Supply battery voltage between EVAP canister purge control solenoid valve terminals (1) and (2).




3) Check voltage between ECM terminal (35) and engine ground.

Voltage: Battery voltage




WIRING DIAGRAM




DIAGNOSTIC PROCEDURE A










DIAGNOSTIC PROCEDURE B







DIAGNOSTIC PROCEDURE C

COMPONENT INSPECTION
EVAP canister purge control solenoid valve




Check air passage continuity.




If NG, replace solenoid valve.

EVAP canister purge control valve (built into EVAP canister)




Check EVAP canister purge control valve as follows:
1. Blow air in port (A) and check that there is no leakage.
2.
- Apply vacuum to port (A). [Approximately -13.3 to -20.0 kPa (-100 to -150 mmHg, -3.94 to -5.91 inHg)]
- Cover port (D) by hand.
- Blow air in port (C) and check that if flows freely out of port (B).