COMPONENT INSPECTION
1. Check the MAFS visually.
– Mounting direction correct.
– Any contamination, corrosion or damage on connector.
– Air cleaner's clogging or wet.
– MAFS cylinder's deforming or blocking by any foreign material.
2. Check any leakage on intake system and intercooler system.
REPLACEMENT
After replacing a Mass Air Flow Sensor (MAFS) or Intake Air Temperature Sensor (IATS)#1, MUST proceed below
procedure.
1. Turn ignition switch OFF.
2. Connect a scan tool to Data Link Connector (DLC).
3. Turn ignition switch ON.
4. Select "ENGINE (DIESEL)".
5. Select "COMPONENT CHANGE ROUTINE".
6. Select "AIR FLOW SENSOR CHANGE".
7. Press "ENTER" key.
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