Work Flow
PRECAUTIONS FOR DIAGNOSIS
If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (control unit) or if wheel alignment has been adjusted, be sure to adjust neutral position of steering angle sensor before driving. Refer to BRC-6, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION : Description".
OVERALL SEQUENCE

1.COLLECT INFORMATION FROM THE CUSTOMER
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred) using the diagnosis worksheet.
2.PERFORM SELF DIAGNOSTIC RESULT
Perform self diagnostic result
3.CHECK SYMPTOM OPERATING CONDITION
Check that the symptom is a normal operating condition
4.CHECK WARNING AND INDICATOR LAMPS OPERATION
Check warning and indicator lamps operation.
5.PERFORM DIAGNOSIS APPLICABLE TO THE SYMPTOM
Perform diagnosis applicable to the symptom.
6.FINAL CHECK
Perform self diagnostic result again, and check that the malfunction is repaired. After checking, erase the self diagnosis memory
Diagnostic Work Sheet

Basic inspection
Inspection and adjustmentP0444, P0445 evap canister purge volume control solenoid
valve
Description
The EVAP canister purge volume control solenoid valve is used to
control the flow rate of fuel vapor from the EVAP canister. The EVAP
canister purge volume control solenoid valve is moved by ON/OFF
pulses from the ECM. The longer the ON pulse, the greater the
amount of fuel ...
Intake 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 ...
P1801 vias control solenoid valve 2
Description
The VIAS control solenoid valve 2 cuts the intake manifold vacuum signal for
power valve 2 control. It
responds to ON/OFF signals from the ECM. When the solenoid is OFF, the vacuum
signal from the intake
manifold is cut. When the ECM sends an ON signal the coil pulls the plunger ...