ON-BOARD DIAGNOSTIC
F1–53
F1
3. Perform no load racing at the engine speed
shown in the graph, then idle the engine for more
than 30 s after the cooling fan is stopped. If
possible, monitor RPM PID for engine speed and
FAN1 PID for cooling fan condition during this
procedure.
4. Turn ignition key off then on again.
5. Access to RFCFLAG PID to confirm PCM
adaptive memory condition. If RFCFLAG PID is
“Learnt”, PCM Adaptive Memory Procedure Drive
is completed.
6. If RFCFLAGPID is still “Not Learnt”, go back to
Step 1.
HO2S Heater, HO2S, and TWC Repair Verification Drive Mode
1. Access to RFCFLAG PID to confirm PCM adaptive memory condition. If RFCFLAG PID is OFF, perform PCM
Adaptive Memory Procedure Drive first.
2. If RFCFLAG PID is ON, start the engine and warm it up completely.
3. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off.
4. 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.
Driving condition before the constant speed driving is not specified.
For MTX
2,800—3,200 rpm
IDLE
Above
30 s
Above
30 s
ENGINE SPEED
IDLE
A6E3970W003
Zone
Shift
Position
Vehicle Speed
km/h {mph}
Time
Sec.
O Neutral 0 T1: Above 455
A2nd40—50 {25—32}
T2: Above 30
B3rd65—75 {41—47}
C2nd60—75 {38—46}
T3: Above 20
D3rd75—100 {47—62}
E4th50—75 {31—46}
T4: Above 120
F5th75—100 {47—62}
km/h {mph}
100 {62}
50 {31}
0 {0}
O
T1 T2 T3 T4
A
B
D
C
E
F
A6E3970W004
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