Purge Solenoid Valve Inspection; Egr Valve Removal/Installation - Mazda 2002 6 Workshop Manual

PURGE SOLENOID VALVE INSPECTION

Airflow Inspection
Note
• Perform the following test only when directed.
1. Disconnect the negative battery cable.
2. Remove the purge solenoid valve. (See
3. Inspect airflow between the ports under the following conditions.
• If not as specified, replace the purge solenoid valve.
• If as specified, carry out the "Circuit Open/Short Inspection".
Circuit Open/Short Inspection
1. Disconnect the PCM connector. (See
2. Inspect the following wiring harness for open or
short (continuity check).
Open circuit
• If there is no continuity, the circuit is open.
Repair or replace the harness.
— Purge solenoid valve terminal A
(harness-side) and PCM terminal 4U
— Purge solenoid valve terminal B
(harness-side) and main relay terminal C
(harness-side)
Short circuit
• If there is continuity, the circuit is shorted.
Repair or replace the harness.
— Purge solenoid valve terminal A
(harness-side) and body GND
— Purge solenoid valve terminal B (harness-side) and power supply
End Of Sie

EGR VALVE REMOVAL/INSTALLATION

1. Disconnect the negative battery cable.
2. Disconnect the EGR valve connector.
3. Remove in the order indicated in the table.
1 Water hose
(See F–39 Water Hose Removal
2 EGR valve
(See F–39 EGR Valve Removal
4. Install in the reverse order of removal.
Water Hose Removal Note
• Drain the engine coolant. (See
COOLANT REPLACEMENT.)
EGR Valve Removal Note
1. Remove the air hose. (See
SYSTEM REMOVAL/INSTALLATION)
2. Remove the upper radiator hose. (See
End Of Sie
EMISSION SYSTEM
F–38 PURGE SOLENOID VALVE
A6E3916W004
F–43 PCM REMOVAL/INSTALLATION.)
Note)
Note)
E–4 ENGINE
F–10 INTAKE-AIR
E–6 RADIATOR
REMOVAL/INSTALLATION.)
REMOVAL/INSTALLATION.)
A6E391618740W02
F
A6E3916W005
A6E3916W006
A6E391620300W01
A6E3916W008
F–39