With Consult-II
- Reconnect all harness connectors disconnected.
- Start engine and warm it up to normal operating temperature.
- Connect CONSULT-II and select "DATA MONITOR" mode.
- Select "MAS A/F SE-B1" and check indication under the following conditions.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.
- If the voltage is out of specification, proceed the following.
- Check for the cause of uneven air flow through mass air flow sensor. Refer to following.
- Crushed air ducts
- Malfunctioning seal of air cleaner element
- Uneven dirt of air cleaner element
- Improper specification of intake air system parts
- If NG, repair or replace malfunctioning part and perform step 2 to 4 again. If OK, go to next step.
- Turn ignition switch OFF.
- Disconnect mass air flow sensor harness connector and reconnect it again.
- Perform step 2 to 4 again.
- If NG, clean or replace mass air flow sensor.