Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
Harness connector M1
Harness connector E30
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Disconnect the following harness connectors.
A/C auto amp.
Harness connectors M1 and E30
Check the continuity between the A/C auto amp. harness connector and the harness connector.

3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Disconnect the connector of ABS actuator and electric unit (control unit).
Check the continuity between the harness connector and the ABS actuator and electric unit (control unit) harness connector.

Main line between HVAC and A-bag circuit
ECM branch line circuitIntake Manifold
Removal and Installation
Intake manifold
Intake manifold gaskets
Refer to INSTALLATION
REMOVAL
WARNING: To avoid the danger of being
scalded, do not drain the coolant when the engine is hot.
Release the fuel pressure. Refer to EC-592, "Inspection".
Disconnect the ba ...
P0447 evap canister vent control valve
Description
The EVAP canister vent control valve is located on the EVAP canister
and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal ...
Communication signal circuit
Description
Detects door open/close condition.
Diagnosis Procedure
1.CHECK FRONT DOOR SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Disconnect sunshade motor assembly connector.
Turn ignition switch ON.
Check signal between sunshade motor assembly harness connector and
ground with os ...