Inspection Procedure

HINT:

Read freeze frame data using the hand-held tester or the OBD II scan tool. Freeze frame data records the engine condition when malfunction is detected. When troubleshooting, freeze frame data can help determine if the vehicle was running or stopped, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

1. CHECK OTHER DTC OUTPUT (IN ADDITION TO DTC P0101) 
   1. Connect the hand-held tester or the OBD II scan tool to the DLC3.
   2. Turn the power switch ON (IG).
   3. Turn the hand-held tester or the OBD II scan tool ON.
   4. On the hand-held tester, select the item: DIAGNOSIS / ENHANCED OBD II / DTC INFO / CURRENT CODES.
   5. Read DTCs.

      Result: 

      HAND-HELD TESTER VALUE DESCRIPTION
      
      

      Display (DTC output)	Proceed to
      P0101 and other DTCs	A
      P0101	B

      HINT:

      If any other codes besides P0101 are output, perform troubleshooting for those DTCs first.

   1. B: REPLACE MASS AIR FLOW METER 
   2. A: GO TO NEXT STEP. 

      GO TO RELEVANT DTC CHART (See  DIAGNOSTIC TROUBLE CODE CHART   )