Procedure For Malfunction B

With CONSULT-III

1. Start engine and warm it up to normal operating temperature.
2. Select "A/F SEN1 (B1)" in "DATA MONITOR" mode with CONSULT-III.
3. Check "A/F SEN1 (B1)" indication.

   If the indication is constantly approx. 1.5V and does not fluctuates, go to "DIAGNOSIS PROCEDURE ".

   If the indication fluctuates around 1.5V, go to next step.

4. Select "A/F SEN1 (B1) P1276" of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT-III.
5. Touch "START".
6. When the following conditions are met, "TESTING" will be displayed on the CONSULT-III screen.
   ENGINE SPEED AND VEHICLE SPEED SPECIFICATION
   
   

   ENG SPEED	1,750 - 3,200 rpm
   Vehicle speed	More than 64 km/h (40 MPH)
   B/FUEL SCHDL	1.0 - 8.0 msec
   Shift lever	D position with OD "OFF" (A/T) 4th position (M/T)

   If "TESTING" is not displayed after 20 seconds, retry from step  2.

7. Release accelerator pedal fully.
   NOTE: Never apply brake during releasing the accelerator pedal.
8. Make sure that "TESTING" changes to "COMPLETED".

   If "TESTING" changed to "OUT OF CONDITION", retry from step  6.

9. Make sure that "OK" is displayed after touching "SELF-DIAG RESULT".

   If "NG" is displayed, go to "DIAGNOSIS PROCEDURE ".