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DTC Confirmation Procedure

PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test:
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
  TESTING CONDITION:
  
  Before performing the following procedure, confirm that battery voltage is more than 11 V at idle:
  
  : GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
1. Start engine and warm it up to normal operating temperature.
2. Let it idle for 2 minutes.
3. Check 1st trip DTC.
  Is 1st trip DTC detected?
  
  YES: Proceed to "DIAGNOSIS PROCEDURE ".
  
  NO-1: With CONSULT: GO TO 3.
  
  NO-2: With GST: GO TO 7.
CHECK A/F SENSOR 1 FUNCTION
With CONSULT
1. Start engine and warm it up to normal operating temperature.
2. Select "A/F SEN1 (B1)" or "A/F SEN1 (B2)" in "DATA MONITOR" mode with CONSULT.
3. Check "A/F SEN1 (B1)" or "A/F SEN1 (B2)" indication.
  Does the indication fluctuate around 2.2 V?
  
  YES: GO TO 4.
  
  NO: Proceed to "DIAGNOSIS PROCEDURE ".

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-I

Select "A/F SEN1 (B1) P1276" (for DTC P0130) or "A/F SEN1 (B2) P1286" (for DTC P0150) of "A/F SEN1" in "DTC WORK SUPPORT" mode with CONSULT.
Touch "START".

When the following conditions are met, "TESTING" will be displayed on the CONSULT screen:

ENG SPEED	1, 100 - 3, 200 rpm
VHCL SPEED SE	More than 64 km/h (40 mph)
B/FUEL SCHDL	1.0 - 8.0 msec
Selector lever	D position

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

CAUTION: Always drive vehicle at a safe speed.

Is "TESTING" displayed on CONSULT screen?

YES: GO TO 5.

NO: Check A/F sensor 1 function again. GO TO 3.

PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-II
Release accelerator pedal fully.

NOTE: Never apply brake when releasing the accelerator pedal.

Which does "TESTING" change to?

"COMPLETED": GO TO 6.

"OUT OF CONDITION": Retry DTC CONFIRMATION PROCEDURE. GO TO 4.
PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B-III
Touch "SELF-DIAG RESULT".

Which is displayed on CONSULT screen?

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".
PERFORM COMPONENT FUNCTION CHECK FOR MALFUNCTION B
With GST

Perform component function check. Refer to "COMPONENT FUNCTION CHECK ".

NOTE: Use component function check to check the overall function of the A/F sensor 1 circuit. During this check, a 1st trip DTC might not be confirmed.

Is the inspection result normal?

YES: INSPECTION END

NO: Proceed to "DIAGNOSIS PROCEDURE ".