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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
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Service Bulletin SB-17-0298
February 2009 Page 2 of 5
Figure 2
1
SB0298-03
Figure 3
6. Attach an airline that has dry air, without oil to
the battery vent tube (refer to Figure 4)
CAUTION: MAKE SURE THAT THE
AIRLINE PRESSURE IS 2 BAR
OR LESS. IF YOU DO NOT,
DAMAGE TO THE HEADLAMP
CAN OCCUR.
Figure 4
7. Make sure that the opposite end of the vent tube has
not moved inside the headlamp. If necessary, adjust its
position.
8. Blow air through the headlamp until you can see no condensation remaining on the lens.
9. Let the air flow for 20 minutes more.
10. Remove the vent tube from the headlamp then do st eps 11 to 13 that follow quickly before more moisture
can get into the headlamp.
11. Remove the cover for the main-beam bulb.
12. Install two silica gel bags into the headlamp at
the positions shown in Figure 5.
Figure 5
13. Install the two bulb covers. Make sure that the covers are fully installed correctly.
Page 941 of 947
Service Bulletin SB-17-0298
February 2009 Page 4 of 5
7. Attach an airline that has dry air, without oil to
the battery vent tube (refer to Figure 9)
CAUTION: MAKE SURE THAT THE
AIRLINE PRESSURE IS 2 BAR
OR LESS. IF YOU DO NOT,
DAMAGE TO THE HEADLAMP
CAN OCCUR.
Figure 9
8. Blow air through the headlamp until you can see no condensation on the lens.
9. Let the air flow for 20 minutes more.
10. Remove the vent tube from the headlamp then do steps 11 and 12 that follow quickly before more
moisture can get into the headlamp.
11. Install two silica gel bags into the headlamp
(refer to Figure 10 – right headlamp shown).
Figure 10
12. Install the bulb cover.
13. Install and tighten the two screws that attach the bulb cover.
14. Install the headlamp access panel and turn the quarter turn fastener to attach it.
15. Lower the vehicle.
16. Adjust the steering to the centre.
Part Data
Description Part Number Quantity
25g Silica Gel Bag (2 each pa ck) 9G43-37-11095-PK 2 per headlamp
Battery Vent Tube 1R12-372635-AA 1
