Es

Tester Display

MONITOR RESULT

RANGE B1S2-----

----INCMP

MIN VOL B1S2...

----INCMP

MAX VOL B1S2 • • ■

----INCMP

MAX OSC B1S2 • • '

----INCMP

02 STORAGE B1 • •

----INCMP

SMALL LEAK-----

----INCMP

GROSS LEAK-----

----INCMP

----INCMP

----INCMP

----INCMP +

Press [ENTER] to

Select the

G034992E02

(a) Connect an intelligent tester to the DLC3.

(b) Turn the ignition switch ON.

(e) Select the following menu items: DIAGNOSIS /ENHANCED OBD II / MONITOR INFO / MONITOR RESULT.

(f) Check that AFS B1 is INCOMPL.

(g) Start the engine and warm it up.

(h) Drive the vehicle at between 25 mph and 75 mph (40 km/h and 120 km/h) for 3 minutes. However, the vehicle should be driven at a constant speed.

(i) Check the monitor result values on an intelligent tester by selecting the following menu items: DIAGNOSIS / ENHANCED OBD II / MONITOR INFO / TEST RESULT.

(j) If the values indicated on the tester do not change, perform READINESS MONITOR DRIVE PATTERN

for the A/F sensor and the heated oxygen sensor (See page ES-23).

HINT:

Completion of all A/F sensor monitors is required to change the value in TEST RESULT. (k) Note the value of the Monitor Result.

(l) Select the following menu items: DIAGNOSIS / ENHANCED OBD II / DTC INFO / PENDING CODES. (m) Check if any DTCs (any pending DTCs) are set.

MONITOR STRATEGY

Related DTCs

P2A00: A/F sensor (Bank 1) slow response P2A03: A/F sensor (Bank 2) slow response

Required Sensors/Components (Main)

A/F sensor

Required Sensors/Components (Related)

Vehicle speed sensor, Crankshaft position sensor

Frequency of Operation

Once per driving cycle

Duration

10 to 15 seconds

MIL Operation

2 driving cycles

Sequence of Operation

None

TYPICAL ENABLING CONDITIONS

P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)

P0100 - P0103 (MAF meter)

P0110 - P0113 (IAT sensor)

P0115 - P0118 (ECT sensor)

P0120 - P0223, P2135 (TP sensor)

P0125 (Insufficient ECT for Closed Loop)

Monitor runs whenever following DTCs not present

P0171, P0172 (Fuel system)

P0300 - P0306 (Misfire)

P0335 (CKP sensor)

P0340, P0341 (CMP sensor)

P0442 - P0456 (EVAP system)

P0500 (VSS)

P2196, P2198 (A/F sensor - rationality)

A/F sensor active control

Executing

Engine coolant temperature

75°C (167°F) or more

Battery voltage

11 V or more

Malfunction determination in this driving cycle

Not yet

Fuel-cut

OFF

Engine RPM

Less than 4,000 rpm

A/F sensor status

Activated

Delay time after fuel-cut ended

5 seconds or more

Engine load

10 to 70 %

Estimated catalyst temperature

500 to 800°C (932 to 1,472°F)

Shift position

2 or more

Intake air amount

3 to 10.5 g/sec

TYPICAL MALFUNCTION THRESHOLDS

Response rate deterioration level

Less than 0.2 V

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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