Driving Condition

Driving condition A

Driving condition A is the driving condition that provides warm-up.

In specific, count-up is performed when all of the following conditions are satisfied.

Engine speed is 400 RPM or more.
After start of the engine, the water temperature increased by 20 deg. C (36 deg. F) or more.
Water temperature was 70 deg. C (158 deg. F) or more.
The ignition switch was changed from ON to OFF.

NOTE:

If the same malfunction is detected regardless of the driving condition, reset the A counter.
When the above is satisfied without detecting the same malfunction, count up the A counter.
When MIL goes off due to the malfunction and the A counter reaches 40, the DTC is erased.

Driving condition B

Driving condition B is the driving condition that performs all diagnoses once.

In specific, count-up is performed when all of the following conditions are satisfied.

Engine speed is 400 RPM or more.
Water temperature was 70 deg. C (158 deg. F) or more.
In closed loop control, vehicle speed of 70 - 120 km/h (43 - 75 MPH) continued for 60 seconds or more.
In closed loop control, vehicle speed of 30 - 60 km/h (19 - 37 MPH) continued for 10 seconds or more.
In closed loop control, vehicle speed of 4 km/h (2 MPH) or less and idle determination ON continued for 12 seconds or more.
After start of the engine, 22 minutes or more have passed.
The condition that the vehicle speed is 10 km/h (6 MPH) or more continued for 10 seconds or more in total.
The ignition switch was changed from ON to OFF.

NOTE:

If the same malfunction is detected regardless of the driving condition, reset the B counter.
When the above is satisfied without detecting the same malfunction, count up the B counter.
When the B counter reaches 3 without malfunction, MIL goes off.
When the B counter is counted once without detecting the same malfunction after TCM memorizes DTC of the 1st trip, DTC of the 1st trip is erased.