Mazda 3 - HO2 S Heater, HO2 S, and TWC Repair Verification Drive Mode

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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HO2S heater, HO2S, and TWC Repair Verification Drive Mode
1. Perform the "PCM Adaptive Memory Produce Drive Mode" first.
2. Verify that all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
3. Drive the vehicle as shown in the graph; first drive in zone O, then A or B, followed by C or D, finally E
or F. The driving condition before driving at constant speed is not specified.
For MTX
Zone
Shift Position
Vehicle Speed (km/h {mph})
Time (s)
O
Neutral
0 {0}
T1: above 450
A
2nd
40-50 {25-31}
T2: above 30
B
3rd
65-75 {41-46}
C
2nd
60-75 {38-46}
T3: above 20
D
3rd
75-100 {47-62}
E
4th
50-75 {32-46}
T4: above 120
F
5th
75-95 {47-59}
For ATX
Zone
Shift Position
Vehicle Speed (km/h {mph})
Time (s)
O
P or N
0 {0}
T1: above 450
A
M (3GR)
40-60 {25-37}
T2: above 30
B
M (3GR)
65-95 {41-59}
C
M (2GR)
60-75 {38-46}
T3: above 20
D
M (3GR)
85-100 {53-62}
E
M (4GR)
50-75 {32-46}
T4: above 120