Total OBD & ECU Auto Diagnostics

Total OBD & ECU Auto Diagnostics

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Driving Pattern Detail for (h) through (k):

Cumulative Detection Period "t" = t1 + t2 + t3 = 3 seconds or more

Reference Engine RPM


(a) Connect the intelligent tester to the DLC3.

(b) Turn the ignition switch ON.

(e) Start the engine, and warm it up until the ECT reaches 75°C (167°F) or higher.

(f) On the intelligent tester, select the following menu items to check the fuel-cut status: DIAGNOSIS / ENHANCED OBD II / DATA LIST / USER DATA / FC IDL.

(g) Drive the vehicle at between 60 km/h (38 mph) and 120 km/h (75 mph) for at least 10 minutes.

(h) Change the transmission to 2nd gear.

(i) Drive the vehicle at proper vehicle speed to perform fuel-cut operation. HINT:

Fuel-cut is performed when the following conditions are met:

• Accelerator pedal fully released.

• Engine speed is 2,500 rpm or more (fuel injection returns at 1,000 rpm).

(j) Accelerate the vehicle to 64 km/h (40 mph) or more by depressing the accelerator pedal for at least 10 seconds.

(k) Soon after performing step (j) above, release the accelerator pedal for at least 4 seconds without depressing the brake pedal, in order to execute fuel-cut control.

(l) Allow the vehicle to decelerate until the vehicle speed declines to less than 10 km/h (6 mph).

(m) Repeat steps from (h) through (k) above at least 3 times in one driving cycle.


Completion of all A/F sensor monitors is required to change the value in TEST RESULT. CAUTION:

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