2010 ASTON MARTIN V8 VANTAGE relay

AML EOBD System Operation Summary

Rory O’Curry Aston Martin Lagonda CONFIDENTIAL 1 May 2009
[email protected] AML EOBD Monitors 07 ROC.doc Page 41 of 43
X P1431 Misfire Monitor Disabled; unable to Learn Trigger Wheel Profile
P1432 Thermostat Heater Control Circuit
P1460 Wide Open Throttle A/C Cut-out Circuit
P1461 A/C Pressure Sensor Circuit High Input
P1462 A/C Pressure Sensor Circuit Low Input
P1463 A/C Pressure Sensor Insufficient Pressure Change
P1464 A/C Demand Out of Self Test Range
P1500 Vehicle Speed Sensor
P1501 Vehicle Speed Sensor Out of Self Test Range
P1549 Intake Manifold Communica tion Control Circuit (Bank 1)
P1572 Brake system input failure (BLS failed then BPS failed)
P1610 Interactive Reprogramming Code – Replace Module
P1611 Interactive Reprogramming Code – Diagnose Further
P1615 Interactive Reprogramming Code – Erase Error
P1616 Interactive Reprogramming Code – Erase Error, Low Voltage
P1617 Interactive Reprogramming Code – Block Program Error
P1618 Interactive Reprogramming Code – Block Program Error, Low Voltage
P1631 Main Relay (Power Hold)
X P1633 Keep Alive Power Voltage too Low
P1635 Tyre/Axle Out of Acceptable Range
P1639 Vehicle Identification (VID) Block Corrupted. Not Programmed
X P1656 CAN Link PCM/PCM Circuit/Network
P1703 Brake switch out of self test range
P1709 Park/Neutral Position Switch Out of Self Test Range
X P2008 Intake Manifold Runner Control Open (Bank 1)
X P2100 Throttle Actuator Control Motor Circuit Open
X P2101 Throttle Actuator Control Motor Circuit Range/Performance
X P2107 Throttle actuator control motor processor
X P2110 Forced limit RPM mode
X P2111 Throttle actuator control system – stuck closed
X P2112 Throttle actuator control system – stuck open
P2121 Pedal position sensor D circuit range/performance
P2122 Pedal position sensor D circuit low input
P2123 Pedal position sensor D circuit high input
P2124 Pedal position sensor D circuit intermittent
P2126 Pedal position sensor E circuit range/performance
P2127 Pedal position sensor E circuit low input
P2128 Pedal position sensor E circuit high input
P2129 Pedal position sensor E circuit intermittent
P2135 Throttle position sensor A/B voltage correlation
P2138 Pedal position sensor D/E voltage correlation
X P2195 Lack of Heated Oxygen Sensor (Bank 1, Sensor 1) Switches, Sensor Indicates Lean
X P2196 Lack of Heated Oxygen Sensor (Bank 2, Sensor 1) Switches, Sensor Indicates Lean
X P2197 Lack of Heated Oxygen Sensor (Bank 1, Sensor 1) Switches, Sensor Indicates Rich
X P2198 Lack of Heated Oxygen Sensor (Bank 2, Sensor 1) Switches, Sensor Indicates Rich


Note.
X MIL codes
* Can be non-mil if below EOBD threshold.

Aston Martin V8 Vantage 2009 MY EOBD DocumentationAston Martin/Ford Confidential
Component/ System Fault Code Monitor Strategy
Description Malfunction Criteria Threshold Parameter Secondary Parameters Entry Parameters Time Required DTC
StorageMIL Illumin-
ation
off/on <0.524 Intake air temp sensor OK (P0112/0113) Continuous during
SAIR operation
on/off <0.671 Engine coolant temp sensor OK (P0117/0118)
Mass Air Flow sensor OK
(P0101 to P010F)
First switch correction <
threshold * corrected SAIR
flow <1+(0.246*Long term
fuel trim)
Time in closed loop
fuelling control (only used
for bank to bank flow
arbitration) >10seconds
off/on <0.524 Intake air temp sensor OK (P0112/0113)
on/off <0.671 Engine coolant temp sensor OK (P0117/0118)
Mass Air Flow sensor OK
(P0101 to P010F)
Closed loop bank1 vs bank2
lambda difference Lambda difference>
threshold AND bank1
lambda > bank2 lambdalambda
difference>0.435
Not in HEGO FMEM
First switch correction <
threshold * corrected SAIR
flow <1+(0.246*Long term
fuel trim)
Time in closed loop
fuelling control (only used
for bank to bank flow
arbitration) >10seconds
off/on <0.524 Intake air temp sensor OK (P0112/0113)
on/off <0.671 Engine coolant temp sensor OK (P0117/0118)
Mass Air Flow sensor OK
(P0101 to P010F)
Closed loop bank1 vs bank2
lambda difference Lambda difference>
threshold AND bank1
lambda < bank2 lambdalambda
difference>0.435
HEGO monitor complete
P2448 (Low
flow Bank1)
P2449
(Low flow
Bank2) SAIR off time before re-
enable (if SAIR is disabled
due to engine conditions)>3seconds
Time in closed loop
fuelling control (only used
for bank to bank flow
arbitration) >10seconds
HEGO monitor complete
SAIR circuit ecu
output high/low P0412 Circuit malfunction
PCM able to determine
failure Time with fault>5
seconds
SAIR circuit relay
high output P2257 Circuit malfunction
PCM able to determine
failure Time with fault>5
seconds
SAIR circuit relay low
output P2258 Circuit malfunction
PCM able to determine
failure Time with fault>5
seconds
Ratio of SAIR flow
difference at SAIR pump
off / on and on/off
transition
Modelled pump flow higher
than measured flow via HFM
Ratio of SAIR flow
difference at SAIR pump
off / on and on/off
transition
Ratio of SAIR flow
difference at SAIR pump
off / on and on/off
transition
>2secondsFootnote c)
Approximately 500
sec during
appropriate FTP74
conditions to
complete HEGO
monitorSecondary Air Monitor
Modelled pump flow higher
than measured flow via HFM Ratio of SAIR flow
difference at SAIR pump
off / on transitionoff/on >1.44
Outlet Hose
Disconnection Footnote l)
Continuous
(circuit checks)
Outlet Hose
Blockage
P0492
(Low flow
Bank2)
P0410
(Inlet hose
disconnection)
Secondary Air
System Insufficient
Flow
Closed loop bank1 lambda
correction at first switch AND
low measured flow via HFM
Closed loop bank2 lambda
correction at first switch AND
low measured flow via HFM
P0491
(Low flow
Bank1)
Time with SAIR active
4

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