ENGINE (DIAGNOSTICS)(H4DO) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P014C A/F / O2 SENSOR SLOW RESPONSE - RICH TO LEAN BANK 1 SENSOR 1
DTC DETECTING CONDITION:
Detected when two consecutive driving cycles with fault occur.
CAUTION:
After servicing or replacing faulty parts, perform Clear Memory Mode Clear Memory Mode > OPERATION">, and Inspection Mode Inspection Mode > PROCEDURE">.
STEP | CHECK | YES | NO |
1.CHECK EXHAUST SYSTEM.
NOTE:
Check the following items.
• Loose installation of front portion of exhaust pipe onto cylinder heads
• Loose connection between front exhaust pipe and front catalytic converter
• Damage of exhaust pipe resulting in a hole
Is there any fault in exhaust system?
Repair the exhaust system.
Replace the front oxygen (A/F) sensor. Front Oxygen (A/F) Sensor">
1. OUTLINE OF DIAGNOSIS
Detect the slow response of front oxygen (A/F) sensor.
For diagnosis, detect the trouble by processing the λ waveform in normal driving without forcibly changing the target air fuel ratio.
2. COMPONENT DESCRIPTION
(A) | Electromotive force | (B) | Air fuel ratio | (C) | Rich |
(D) | Lean | ||||
(1) | Exhaust gas | (2) | Zirconia element oxygen |
3. EXECUTION CONDITION
Secondary parameters | Execution condition |
Battery voltage | ≥ 10.9 V |
Barometric pressure | ≥ 75.1 kPa (563 mmHg, 22.2 inHg) |
Duration of main feedback | ≥ 3000 ms |
Engine speed | ≥ 1000 rpm |
Amount of intake air | ≥ 10 g/s (0.35 oz/s) (CVT model) ≥ 10 g/s (0.35 oz/s) (MT model) |
4. GENERAL DRIVING CYCLE
Perform diagnosis only once in a city driving including normal acceleration and deceleration.
5. DIAGNOSTIC METHOD 1
Detect the malfunction by checking “Cumulative value of time when λ changes from lean > rich” in comparison to “Time during which diagnosis is in progress”.
(A) | Time during which diagnosis is in progress | (B) | Cumulative value of time when λ changes from lean > rich |
Judge as NG when the following conditions are established.
Diagnosis (CVT model)
Malfunction Criteria | Threshold Value | DTC |
(Cumulative value of time when λ changes from lean > rich) / (Time during which diagnosis is in progress) | < 0.39 | P014C |
and | ||
Average value of time necessary for λ to inverse the air fuel ratio to Lean > Rich > Lean | < 30 ms | |
(Cumulative value of time when λ changes from rich > lean) / (Time during which diagnosis is in progress) | > 0.63 | P014D |
and | ||
Average value of time necessary for λ to inverse the air fuel ratio to Rich > Lean > Rich | > 20 ms |
Diagnosis (MT model)
Malfunction Criteria | Threshold Value | DTC |
(Cumulative value of time when λ changes from lean > rich) / (Time during which diagnosis is in progress) | < 0.4 | P014C |
and | ||
Average value of time necessary for λ to inverse the air fuel ratio to Lean > Rich > Lean | < 25 ms | |
(Cumulative value of time when λ changes from rich > lean) / (Time during which diagnosis is in progress) | > 0.6 | P014D |
and | ||
Average value of time necessary for λ to inverse the air fuel ratio to Rich > Lean > Rich | > 5 ms |
Diagnosis (CVT model)
Time Needed for Diagnosis: 90 seconds
Diagnosis (MT model)
Time Needed for Diagnosis: 60 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
6. DIAGNOSTIC METHOD 2
Detect the malfunction by the cumulative value obtained from the amount of variation in λ change.
Judge as NG when the following conditions are established.
Malfunction Criteria | Threshold Value | DTC |
Cumulative value obtained from the amount of variation in λ change | < Value from Map | P014C and P014D |
Cumulative value obtained from the amount of variation in λ | 0.00 | 3.50 |
Cumulative value obtained from the amount of variation in λ change | 0.00 | 3.50 |
Cumulative value obtained from the amount of variation in λ | 0.00 | 3.50 |
Cumulative value obtained from the amount of variation in λ change | 0.00 | 3.50 |
Diagnosis (CVT model)
Time needed for diagnosis: 90 seconds
Diagnosis (MT model)
Time needed for diagnosis: 60 seconds
Malfunction indicator light illumination: Illuminates when malfunction occurs in 2 continuous driving cycles.
Specification
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > General DescriptionSPECIFICATION1. HEATER SYSTEMItemSpecificationsConditionHeating capacity5.0 kW (4,299 kcal/h, 17,059 BTU/h) or more• Air flow control dial or switch: FOOT• Temperature control dial: HI (MAX HOT)• Temperature differenc ...
To temporarily cancel the cruise control
The cruise control can be temporarily
canceled in the following ways.
Press the "CANCEL" button.
Depress the brake pedal.
Depress the clutch pedal (MT models only).
WARNING
For CVT models, you can cancel the
cruise control by shifting the select
lever into the "N" position. Howeve ...
Airflow mode selection
To select the airflow mode:
Type A, B and C: Turn the airflow mode
selection dial.
Type D: Press the airflow mode selection
button.
To select the defrost mode:
Type A and B: Turn the airflow mode
selection dial.
Type C and D: Press the defroster button.
Airflow modes are as follows. ...