2010 ASTON MARTIN V8 VANTAGE Workshop Manual

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTC
Gear Position sensor P0916 Gear Position sensor
short to GND Gear Position signal low Output Voltage < th_low th_low = 0,5V (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r VSupply range = 7V-24.5V 500ms
Gear Position sensor P0917 Gear Position sensor
short to battery or open circuit Gear position signal high Output Voltage > th_high
th_high = 4,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper VSupply range = 7V-24.5V 500ms
Gear Position sensor P0915 Mechanical damage o
f
magnet holder;
Electrical offset.
Internal sensor failure Gear position signal wrong value The calculated gear from the gear
and shift position sensors is different than the last engaged gear(See annexed Chart 1) th = 3% (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r
range VSupply range = 7V-24.5V 500ms
Shift position P0907 Gear Position sensor short to battery or open circuit Shift position signal high Output Voltage > th_high
th_high = 4,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper VSupply range = 7V-24.5V 500ms
Shift position P0906 Gear Position sensor short to GNDShift position signal low
Output Voltage < th_low th_low = 0,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper VSupply range = 7V-24.5V 500ms
Shift position P0905 Mechanical damage o
f
magnet holder;
Electrical offset.
Internal sensor failure Shift position signal wrong value The shift position signal is not
coherent with the self tuned value fo
r
at least one gear.ShiftPosition (i) -
ShiftPositionSelfTuned (i) > th for a timeout
where i=1,2,…,7 th = 50 bit
timeout = 3s (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r
range VSupply range = 7V-24.5V 500ms
Clutch position sensor P0807 P1/ P2 wire short
circuit to GND Clutch position sensor - Primary
Circuit low The asic UH05 inside the TCU
detects the fault and communicate it to the uP
Output Voltage < th_low th_low = 0,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 50ms
Clutch position sensor P0808 P1/ P2 wire short
circuit to battery or open circuit Clutch position sensor - Primary
Circuit high The asic UH05 inside the TCU
detects the fault and communicate it to the uP
Output Voltage > th_high th_high = 4,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 50ms
Clutch position sensor P173A S1/ S2 wire short
circuit to GND Clutch position sensor -
Secondary Circuit low The asic UH05 inside the TCU
detects the fault and communicate it to the uP
Output Voltage < th_low th_low = 0,5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 50ms
ASM OBD
128/04/2008

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTCClutch position sensor P173B S1/ S2 wire short
circuit to battery or open circuit Clutch position sensor -
Secondary Circuit high The asic UH05 inside the TCU
detects the fault and communicate it to the uP
Output Voltage > th_high th_high = 4,5V (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r
range VSupply range = 7V-24.5V 50ms
Clutch position sensor P0805 Short circuit between
P1 and P2 or short
circuit between S1 and S2 Clutch position sensor - Primary
Secondary short circuit The clutch position signal is a fixed
value (around 2.5 V)
See annexed Chart 2 th_1= 5 km/h
th_2= 2000 bit
timeout_1=100ms timeout_2=50ms (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 50ms
Hydraulic
pressure sensor P0935 Hydraulic pressure
sensor short to GND or open circuit Hydraulic pressure signal circuit
high Output Voltage < th_low th_low = 0,39V (Key ON) AND NOT
(cranking) AND
VSupply inside proper VSupply range = 7V-24.5V 500ms
Hydraulic
pressure sensor P0934 Hydraulic pressure
sensor short to battery Hydraulic pressure signal circuit
low Output Voltage > th_high th_high = 4,79V (Key ON) AND NOT
(cranking) AND
VSupply inside proper VSupply range = 7V-24.5V 500ms
Hydraulic
pressure sensor P0932 Internal Sensor
Damage or open
circuit on the ground sensor wire Hydraulic pressure signal wrong
value Wrong constant pressure value
detected through a correlation
between the pressure variation and an estimation of the oil flow (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 500ms
Kl.30 Power Supply P1794 Open circuit or broken
fuse on TCU supply Kl.30 Power Supply open circuit Power Supply < V_th
V_th = 3V (Key ON) AND NOT
(cranking) 500ms
External sensors power supply or sensor ground P0641 Failure of the sensor
power voltage supply External sensors power supply
or sensor ground open circuit or short circuit V_Sensor_Supply inside proper
range V_Sensor_Supply range
= 4V-5V (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 2500ms
Engine speed from CAN U0401 Internal Problem on
Engine Control System Engine ECU: Engine speed fro
m
CAN. Signal not valid
CAN engine sp = inv_th inv_th = FFFFh NOT (Cranking) AND
(ECU ON since t_on)t_on = 200 ms 1000ms
Engine speed from CAN U1900 Internal Problem on
Engine Control System Engine ECU: Engine speed fro
m
CAN. Signal absent (wrong zero
rpm signal) (CAN engine sp = 0) AND (Engine
ON) Engine ON 1000ms
Engine speed from CAN U1920 Internal Problem on
Engine Control System Engine ECU: Engine speed fro
m
CAN. Signal wrong
(CAN engine speed different form
Clutch speed) AND (CAN engine
speed different from Driveline speed x gear ratio) Seed tollerance=
500rpm (Engine ON) AND
(clutch closed) AND (gear engaged) 1000ms
ASM OBD
228/04/2008

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTCClutch speed P0717 Sensor not properly installed on the
gearbox or damaged. Clutch speed. Signal absent
(wrong zero rpm signal) (Clutch speed = 0) AND [(Clutch
closed) OR (Driveline speed > Th) AND (Gear engaged))] Th= 50 rpm (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r
range VSupply range = 7V-24.5V 1000ms
Clutch speed P0716 Sensor not properly installed on the
gearbox or damaged. Clutch speed. Signal wrong (Clutch speed different form Engine
speed) AND (Clutch speed different from driveline speed x gear ratio) Seed tollerance=
500rpm (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 1000ms
Driveline speed U2005 Internal Problem on ESP systemESP: Driveline speed. Signal
absent (wrong zero rpm signal) (Driveline speed = 0) AND [((Clutch
closed) AND (Gear engaged)) OR (( Clutch speed > Th) AND (Gear engaged))] Th= 1300 rpm (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 5000ms
Driveline speed U2511 Internal Problem on ESP systemESP: Driveline speed. Signal
wrong (Driveline speed different from
Engine speed/gear ratio) AND
(Driveline speed different from clutch speed/gear ratio) Seed tollerance=
500rpm (Key ON) AND NOT
(cranking) AND
VSupply inside proper
range VSupply range = 7V-24.5V 5000ms
Driveline speed U0415 Internal Problem on ESP systemESP: Driveline speed. Signal no
t
valid Rear wheels sp = inv_th
inv_th = FFFFh (Key ON) AND NOT
(cranking) AND
VSupply inside prope
r VSupply range = 7V-24.5V 5000ms
CAN Engine ECU communication U0100 Disconnection from
CAN line of engine CAN Timeout Engine ECU CAN engine frames not received
within timeouttimeout = 500ms NOT (Cranking) AND
(ECU ON since t_on) t_on = 200 ms
CAN ESP
communication U0129 Disconnection from
CAN line of ESP CAN Timeout ESP CAN ESP frames not received within
timeouttimeout = 500ms NOT (Cranking) AND
(ECU ON since t_on) t_on = 200 ms
Odd gear
electrovalve P0920 Odd gear electrovalve
disconnected Odd gear electrovalve. Open
circuit The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th1 and < th2 during valve off phase th1= 2.2V
th2= 3.2V
NOT (Cranking)
200ms
Odd gear
electrovalve P0923 Odd gear electrovalve
connected to battery Odd gear electrovalve. Short
circuit to Vsupply The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th2 during valve off phase th2= 3.2V
NOT (Cranking) 200ms
ASM OBD 328/04/2008

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTCOdd gear
electrovalve P0922 Odd gear electrovalve
connected to GND Odd gear electrovalve. Short
circuit to GND The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output current > th3 during valve on phase th3= 3.7A
NOT (Cranking) 200ms
Even gear
electrovalve P0924 Even gear
electrovalve
disconnected Even gear electrovalve. Open
circuit The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th1 and < th2 during valve off phase th1= 2.2V
th2= 3.2V
NOT (Cranking)
200ms
Even gear
electrovalve P0927
Even gear
electrovalve
connected to battery Even gear electrovalve. Short
circuit to Vsupply The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th2 during valve off phase th2= 3.2V
NOT (Cranking) 200ms
Even gear
electrovalve P0926 Even gear
electrovalve
connected to GND Even gear electrovalve. Short
circuit to GND The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output current > th3 during valve on phase th3= 3.7A
NOT (Cranking) 200ms
Clutch
electrovalve P0900 Clutch electrovalve
disconnected Clutch electrovalve. Open circuit The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th1 and < th2 during valve off phase th1= 2.2V
th2= 3.2V
NOT (Cranking)
200ms
Clutch
electrovalve P0903 Clutch electrovalve
connected to battery Clutch electrovalve. Short circuit
to Vsupply The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th2 during valve off phase th2= 3.2V
NOT (Cranking) 200ms
ASM OBD 428/04/2008

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTCClutch
electrovalve P0902 Clutch electrovalve
connected to GND Clutch electrovalve. Short circuit
to GND The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output current > th3 during valve on phase th3= 3.7A
NOT (Cranking) 200ms
Shift brake
electrovalve. Open circuit P0928 Shift brake
electrovalve
disconnected Shift brake electrovalve. Open
circuit The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th1 and < th2 during valve off phase th1= 2.2V
th2= 3.2V
NOT (Cranking)
200ms
Shift brake
electrovalve P0931 Shift brake
electrovalve
connected to battery Shift brake electrovalve. Short
circuit to Vsupply The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th2 during valve off phase th2= 3.2V
NOT (Cranking) 200ms
Shift brake
electrovalve P0930 Shift brake
electrovalve
connected GND Shift brake electrovalve. Short
circuit to GND The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output current > th3 during valve on phase th3= 3.7A
NOT (Cranking) 200ms
Pump relay P0945 Pump relay disconnectedPump relay Open circuit The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th1 and < th2 during valve off phase th1= 2.2V
th2= 3.2V
NOT (Cranking)
200ms
Pump relay P0948 Pump relay connected to batteryPump relay Short circuit to
Vsupply The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output voltage > th2 during valve off phase th2= 3.2V
NOT (Cranking) 200ms
ASM OBD 528/04/2008

Aston Martin V8 Vantage2009MY OBDII Documentation 4.7L Aston Martin Confidential
Component P CodesMalfunction Strategy
Description Malfunction Criteria
(Fault) Fault condition
(Internal labels) Threshold Value
(Fault condition) Entry conditions Entry conditions values Filter Time to
log DTCPump relay P0947 Pump relay connected GNDPump relay Short circuit to GND The asic UH04 inside the TCU
detects the fault and communicate it to the uP
Driver output current > th3 during valve on phase th3= 3.7A
NOT (Cranking) 200ms
Clutch system P186D Clutch or actuator or valve damagedClutch not opening before gear
shifting Clutch not open in a timeout timeout = 500ms (Gear shifting in
progress) AND
(Clutch opening
Gear Box system P1734 Mechanical or hydraulic problemGear Box. Disengage failed
(mechanical causes) Gear not disengaged in a timeout timeout = 500ms (Gear shifting phase)
AND (disengage phase)
Gear Box system P1701 Mechanical or hydraulic problemGear Box. Wrong gear
engagement The gear which is going to be
engaged is not the requested one (Gear shifting phase)
Hydraulic circuit P0868 Hydraulic leakage Hydraulic circuit. Pressure low Comparison between sensor pressure signal and threshold = f(oil temperature)
pressure < th Th= 25 bar @ -30°C
Th= 40 bar @120°C linear interpolation (Engine ON) AND
NOT (cranking) 200ms
Power grounds P1710 Power grounds. Disconnection both ground pins Power grounds. Disconnection
both ground pins The diagnosis is based on the batter
y
voltage modification during the
activation of the clutch electrovalve. Ubatt < Ubatt0 - DltUbatt Ubatt0 = Ubatt before
starting the testDltUbatt = 2,5V Wake-up phase
ASM OBD
628/04/2008

V12 Family EOBD
Documentation



Data Table





Aston Martin Lagonda Ltd.

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
P0420
(Bank 1) HC efficiency inferred from
oxygen storage capacity Rear/Front HO2S switch
ratio> 0.76 (Unitless) Engine coolant temp and
ECT sensor OK
(P0117/0118) 65C < Engine coolant
< 110C (150 - 230F)
Once per driving
cycleFootnote a) Footnote c)
P0430
(Bank 2) HC efficiency inferred from
oxygen storage capacity Rear/Front HO2S switch
ratio>0.76 (Unitless) Intake air temp and IAT
sensor OK (P0112/0113) -7C < Inlet Air Tmp
< 82C (20-180F) Approximately 900
sec
Minimum time since start
to run Catalyst Monitor 60 sec
Air mass range cell 1 HO2S11 switches : 200 HO2S21 switches: 200 3.78 - 11.3 g/s
(0.5-1.5 lb/min)
Air mass range cell 2 HO2S11 switches : 200 HO2S21 switches: 200 11.3 - 18.9 g/sec
(1.5-2.5 lb/min)
Air mass range cell 3 HO2S11 switches : 200 HO2S21 switches:
FEGO2_MX_CT3 18.9 - 26.5 g/s
(2.5-3.5 lb/min)
Maximum number of
HO2S11 (Bank 1 front)
switches to allow monitor
completion 300
Maximum number of
HO2S21 (Bank 2 front)
switches to allow monitor
completion 300
Load range for air
mass cell 1 HO2S11 switches : 200
HO2S21 switches: 200 0.1 * 100 % - 1.0 * 100 %
Load range for air
mass cell 2 HO2S11 switches : 200
HO2S21 switches: 200 0.1 * 100 % - 1.0 * 100 %
Load range for air
mass cell 3 HO2S11 switches : 200
HO2S21 switches: 200 0.1 * 100 % - 1.0 * 100 %
Rpm range for air
mass cell 1 HO2S11 switches : 200
HO2S21 switches: 200 0 - 4000 rpmCatalyst Efficiency MonitorCatalyst System
Efficiency Below
Threshold
(Index Monitor)
1