Aston Martin V12 Family
2009 MY V12 Family EOBDincl. V12 Vantage
Aston Martin/Ford Confidential
Component/ System Fault Code Monitor Strategy
Description Malfunction Criteria Threshold Parameter Secondary Parameters Entry Parameters Time Required DTC
StorageMIL Illumin-
ationStream 1 (Front)
HO2S Circuit Slow
Response P0133
(Bank 1)
Monitor HO2S switching
frequency and amplitude
(Forced at 1.5 Hz fixed rate) Switching frequency
(Indicates gross failure)
< 0.0 Hz Time since entering close
d
loop fuel control> 10 sec < 4 sec once per
driving cycleFootnote a) Footnote c)
P0153
(Bank 2) Switching frequency
difference from desired
(Test run at correct
frequency)< 0.19 Hz
Short term fuel trim 0.9 - 1.1 * 100 %
Signal voltage amplitude < 0.55 volts Engine coolant temp and
ECT sensor OK
(P0117/0118) 55 - 116 deg C
(130 - 240 deg F)
Fuel level above minimum
level > 0.15 * 100 %
Intake air temp and IAT
sensor OK (P0112/0113) < 71 deg C
(< 160 deg F)
Engine load and MAF
sensor OK (P0102/0103) 0.15 - 0.4 * 100 %
Vehicle speed and
VSS (P0500) or
OSS (P0720) sensor OK 30 - 60 mph
Engine rpm and
crankshaft position circuit
(PIP) OK (P0230) 1000 - 2200 rpm
Throttle position sensor
OK (P0122/0123)
Camshaft ID circuit (CMP)
OK (P0340)
No Misfire Monitor DTCs
Fuel rail pressure sensor
OK (P0190/0192/0193)
Flex fuel composition not
changing
Not transitioning into/out o
f
Characteristic Shift Down
Not in Phase 0 of Evap
Monitor
No Purge System reset
Maximum change in
engine rpm while running
monitor < 160 rpm
Maximum change in
engine load while running
monitor < 0.13 * 100%
Maximum change in
vehicle speed while
running monitor < 2.0 mph
Maximum change in short
term fuel trim while
running monitor (PTEC
only) < 0.1
6
Aston Martin V12 Family
2009 MY V12 Family EOBDincl. V12 Vantage
Aston Martin/Ford Confidential
Component/ System Fault Code Monitor Strategy
Description Malfunction Criteria Threshold Parameter Secondary Parameters Entry Parameters Time Required DTC
StorageMIL Illumin-
ation
Sensor input stuck
midrange 123 +/- 34 kPa
(17.9 +/- 5.0 psig)
Large control error 34 kPa (> 5.0 psig)
Sensor value not moving 5.5 kPa/second (< 0.8 psig/second)
Time with sensor input out
of range > 8.0 sec
(Demand - sensed) error
too large > 172 kPa
(25.0 psig)Demand pressure within
limits < 448 kPa or > 241 kPa
(< 65.0 psig or > 35.0
psig)
Time with sensor input out
of range > 8.0 sec
Fuel level above minimum
level > 0.15 * 100 %
Sensor input < 0.05 volts
(<0kPa)
Time with sensor input out
of range > 8.0 sec
Sensor input > 4.88 volts
(>517kPa)
Time with sensor input out
of range > 8.0 sec
P1233 Fuel pump driver module disabled or off line Time with failure > 3.0 seconds
P1235 Fuel pump control out of range Time with failure > 3.0 seconds
P0201 Circuit continuity check, open or shorted Smart power driver status 1 = malfunction Battery voltage
> 11.0 volts
P0202 Time with circuit
malfunction > 3.5 sec
Engine coolant temp < 116 deg C (< 240 deg F)
P0203 Intake air temp66 deg C (< 150 deg F)
P0204
P0205
P0206
P0320 Engine rpm (Used to
determine crank mode) > FN384A rpm
(See Function)None
Intermittent/Noisy CKP signal
check Number of CKP edges
incorrect, missing tooth in None
Increment fault counter by
25 on each event. Set
P0322 Engine speed input circuit no signal Compares engine rpm on
one bank to engine rpm o
nNone
Increment fault counter by
4 on each event. Set
Camshaft Position
Input P0340 Rationality check
Ratio of PIP events to CID
events n to 1 (To pass test) None
N/A Footnote c)
Footnote c)
Fuel Rail Pressure
Input P0190
P0191
P0192 (Low)
P0193 (High)Range check
Range/Performance check
Fuel Pump Continuous
Circuit malfunction N/A
Continuous Footnote a) Footnote c)
None
None
N/A Footnote a)
Fuel Injectors Footnote c)
Ignition System- CKP
Circuit Malfunction Continuous Footnote a) Footnote c)
Continuous Footnote a)
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