Relief Solenoid Valve Signal Check (Turbo)
- Install tachometer. Warm engine to normal operating temperature. Allow engine to idle. Connect Checker Light (49 F018 001) to Green connector. See Fig 1 .
- Remove relief solenoid valve-to-air control valve hose at air control valve. Cover valve port with finger. Note that Green checker light activates and air flows at designated areas. See GREEN CHECKER LIGHT OPERATION
table.NOTE: Checker light may occasionally turn off at approximately 1200 RPM.GREEN CHECKER LIGHT OPERATION
Engine Condition Air Flow Light Operation Idle No On Above 3750 RPM Yes Off Deceleration No On - Remove right seat and floor mat. Disconnect heat hazard sensor connector. Install jumper wire to terminals of connector to the ECU. Ensure Green checker light does not activate and air flows from valve port at any engine speed. Remove jumper wire. Install connector at heat hazard sensor.
- Turn ignition off. Remove connector from coolant temperature switch located on the radiator. Start engine. Increase engine speed, noting that Green checker light does not acitivate and air flows from valve port when engine speed exceeds 1000-1200 RPM.