1997 ASTON MARTIN DB7 gearbox

[EM^^^

Electrics
Wiper Motor / Alternator - Removal Procedures
6.2.01 Windscreen Wiper Motor 6.3.01 Alternator
Procedure

1.
Disconnect the battery.

2.
Disconnect the wiper motor multi-plug.
3. Remove the nut and lockplate (Fig 1-1) from the
motor gearbox shaft and release the drive bracket
from the shaft.
Figure 1. Windscreen Wiper Motor

4.
Remove three nuts (Fig
1
-2) and remove the motor
from its mounting bracket.
Procedure

1.
Disconnect the battery earth
lead.

2.
Using a 3/8" ratchet handle, release the drive belt

tension.
Slip the belt from the water pump drive
pulley and from the alternator drive pulley.
3. Release the ignition leads from the support on the
alternator top mounting.

4.
Remove the alternator output lead cover, remove
the nut and washers and disconnect the alternator
output
lead.

5. Disconnect the electrical plug on the rear of the
alternator.
6. Remove the alternator lower mounting bolt.
Figure 1. Alternator Mountings
7. Loosen the alternator upper mounting bolt, support
the alternator, remove the upper bolt and the
alternator.
Replacement is the reverse of the removal procedure. The
drive belt is tensioned automatically by the spring loaded
idler on refitting the main drive belt.
May 1996 6-5

Electrics
Starter Motor / Steering Wheel - Removal Procedures ^n:M3^^2?
6.3.02 Starter Motor
Procedure

1.
Disconnect the battery.

2.
Remove the inlet air trunkins
Figure 1. Starter Motor Mountings
3. Disconnect the starter solenoid connector and the
starter motor power lead at the solenoid.

4.
Remove the top starter motor securing bolt.
Note:
The
top bolt is from tlie
engine
side on auto
cars

and from ttie gearbox side on manual cars.
5. Raise the car on a hoist and whilst supporting the
motor, remove the lower starter motor securing
bolt.
6. Lift the motor from the bell housing and remove it
from the vehicle by positioning it vertically and
lowering it down in front of the oil filter.
6.5.01 Steering
Wheel and Horn
Switches
Procedure

1.
Remove the steering wheel centre pad.
Figure 1. Steering Wheel and Horn
2. Mark the position of the steering wheel relative to
the steering column to ensure correct replacement.
3. Removethesteeringwheelsecuringnutand remove
the steering wheel.
6.5.02 Column Switches
Procedure

1.
Remove the steering wheel.

2.
Remove three screws and the column switch cover.

1^

Figure 1. Column Mounted Switches
3. Cut the tywraps securing the switch loom to the
steering column. Disconnect the loom plugs.

4.
Release 4 screws and
1
ift the switch assembly off the
steering column.
6-6 May 1996

Electrics
Electrical Component Location Index •
Component Name
Fuel Filler Flap Solenoid
Fuel Pump 1
Fuel Pump 2
Fuel Tank Sender Unit
Gear Selector Illumination
Gear Shift Interlock Solenoid
Gearbox Connector (Auto)
Gearbox ECU
Gearshift Interlock Module
Handbrake Switch
Headlamp Control Module
Head/Side Lamp - LH Front
Head/Side Lamp - RH Front
Heated Front Screen Controller
Heated Front Screen Fuse - 40A
Heated Front Screen
Heated Front Screen
Heated Rear Screen
Heated Washer Jet
Heated Washer Jet
High Level Stop Lamp
Horn - LH
Horn - RH
Idle Speed Control Valve
Ignition Switch
Indicator/Side Lamp - LH Front
Indicator/Side Lamp - RH Front
Inertia Switch
Injector 1
Injector 2
Injector 3
Injector 4
Injector 5
Injector 6
Input Speed Sensor (Auto)
Instrument Panel Illumination Control
Instrument Panel
Interior Light - Rear LH
Interior Light - Rear RH
Key Solenoid
Key-In Warning Switch
Kickdown Switch
Lambda Sensor A
Lambda Sensor B
Logic Earth
Low Coolant Probe
Low Level Sensor
Lumbar Pump
Map Reading Light
Microswitch - Glass Drop LH
Microswitch - Glass Drop RH
Up to 97 MY
Location
Reference
2-1
15-13
15-14
15-12
9-3
13-6
7-11
11-2
13-7
8-8
1-3
14-7
14-12
11-4
11-5
7-10
7-1
9-8
1-11
1-11
9-1
11-6
11-6
3-17
8-7
14-8
14-11
7-2
3-6
3-7
3-8
3-9
3-n
3-12
11-11
2-7
2-6
5-4
5-4
11-10
11-9
8-5
3-18
3-19
9-2
13-5
4-1
9-5
5-1
12-2
12-2
Wiring Diag.
Reference
24-A3
25-A1
25-A2
24-C5
19-D4
21-C4
7-B4
4-B3
21-A2
24-A1
2-A2
1-D2
1-A2
9-A2
9-B2
8-B5
14-B2
24-A2
5-A3
5-B3
24-B2
3-C1
3-81
5-C5
12-D2
1-C1
1-A1
8-D2
5-A2
5-C2
5-A3
5-C2
5-A4
5-C4
7-B2
13-D5
11-C5
24-A2
24-D2
12-B2
12-B2
14-A5
6-B5
6-B5
10-D4
8-C3
3-C1
22-D2
13-C4
17-A2
18-A2
Ini^'

IL-^^'^

Rep.
Op.
Reference

6.9.07.1

2.6.02.1
2.6.02.1
2.6.06.1

6.5.11.1

3.3.01.1

6.6.10.1
6.5.12.1
6.1.10.1
6.1.01.1

6.1.01.2

6.4.09.1

6.4.09.2

6.4.09.3
6.4.09.3

6.6.11.1
6.4.10.1
6.4.10.1
6.6.12.1
6.1.11.1
6.1.11.1

2.2.05.1

6.5.13.1
6.1.03.1
6.1.03.1
6.5.14.1
6.3.04.1
6.3.04.1
6.3.04.1
6.3.04.1
6.3.04.1
6.3.04.1

3.4.02.1

6.5.04.2

6.5.04.1
6.6.02.1
6.6.02.1
6.5.14.1

5.4.01.1

6.3.05.1
6.3.05.1
6.5.15.1

1.7.14.1

6.6.01.1
6.1.13.1
6.1.13.1

W3^y
Notes
Auto only
Auto only
Auto only
Auto only
Auto only
Auto only
Auto only
6-20 May 1996

[n:m3^y

Component Name
Microwave Sensor
Mode Switch
Multifunction Module
Number Plate Lamp - LH
Number Plate Lamp - RH
Oil Pressure Warning Light Transducer
Output Speed Sensor (Auto)
Park Switch (Auto)
Purge Valve 1
Purge Valve 2
Radio Aerial
Radio Telephone Connector
Radio Tweeter
Radio Tweeter
Radio
Rear & Number Plate Bulb Fail Unit
Rear Fog Lamp LH
Rear Fog Lamp RH
Rear Lamp - LH
Rear Lamp - RH
Recline Motor Potentiometer
Relay - ABS Pump
Relay - Air conditioning clutch
Relay - Air Pump
Relay - Auxiliary Load
Relay - Boot Release
Relay - Courtesy Lights
Relay - Cruise Control On/Off
Relay - Drivers Seat Heater
Relay - Fan 1
Relay - Fan 2
Relay - Fan Run On
Relay - Front Fog Lamps
Relay - Fuel Pump 1
Relay - Fuel Pump 2
Relay - Gearbox Failure Warning
Relay - Headlamp Dipped Beam
Relay - Headlamps
Relay - Heated Rear Window
Relay - Horns
Relay - Ignition Load
Relay - Main
)
Location
Reference
12-1
7-9
4-2
5-3
5-3
3-17
11-12
10-1
10-3
10-4
15-4
15-3
6-7
6-5
6-6
15-11
14-2
14-5
14-1
14-6
9-7
4-8
1-17
4-14
4-4
15-9
4-11
6-1
12-3
1-20
1-19
1-18
1-6
15-7
15-8
4-9
1-5
1-7
4-15
1-16
4-10
4-12
Relays - Drivers/Passengers Seat Heaters 12-3
Relay - Rear Fog Lamps
Relay - Reverse Lamps
Relay - Sidelamps
Relay - Starter Solenoid
Relay - Stop Lamps
Reversing Lamp Switch (Man)
Reversing Light Switch (Auto)
Screen Wash Pump
4-17
15-6
1-9
1-15
15-5
11-3
10-2
1-13
Electrics
Electrical Component Location Index - Up to 97 MY
Wiring Diag.
Reference
24-C2
4-A3
8-C4
27-84
27-B6
5-C5
7-B3
21-B1
5-A4
5-A5
24-D2
25-B2
8-C3
14-C4
10-A2
25-C3
17-D2
18-D2
24-A5
24-C4
22-81
9-C4
3-A3
13-A5
9-D1
26-D3
13-A2
20-B1
16-D3
3-B6
3-B6
3-A5
1-B5
26-A2
26-A3
13-A1
1-B5
1-84
13-A4
3-A4
13-A2
13-A3
15-D3
13-A5
25-A4
1-B4
3-A4
25-A5
7-C5
21-C2
3-D1

Rep.
Op. Notes
Reference

6.6.14.2

6.5.07.4

6.4.12.1
6.9.03.1
6.9.03.1

1.5.08.1

3.4.02.2
Auto only

6.5.13.1
Auto only

6.1.14.1

6.1.14.2

6.9.08.1
6.9.09.1
6.5.17.1
6.5.17.1
6.5.05.1
6.9.10.1
6.7.02.1
6.6.07.1

5.1.15.1

6.2.06.1
6.4.13.1
6.4.14.1
6.9.11.1
6.4.15.1
6.5.18.1
6.6.15.1

1.7.16.3
1.7.16.3

1.7.16.4

6.1.04.3

6.9.12.1
6.9.12.1
6.4.16.1
Auto only

6.1.15.1
6.1.16.1
6.4.17.1
6.2.07.1
6.4.18.1
6.4.19.1

6.6.15.2

6.4.20.1
6.9.13.1
6.1.17.1
6.2.08.1
6.9.14.1
6.2.09.1

6.2.09.2

6.3.06.1

May 1996 6-21

#
ABS ECU Gearbox ECU Window ECU Central Locking ECU Engine Management ECU
Lamp Fail ECU
EDIS Amp
Security ECU Window ECU Seat ECU'S Air Conditioning ECU
Figure 17
o
o 3 •a o 3 n 3 O n Si 5 3

ere

3
c
•o
o
-<
n

NO COLOUR
159 K 160 0
PIN 1 2 3 4 5 6 7 S 9 10 M 12 13 14
AREA
B6 06
SERIAL COMMS CONNECTOR NO COLOUR 161 RP 162 RG 163 BK 164 B I6S RK
PIN 1 ? 5 4 5 6
AREA B9 B5 Dl B4-27 Dl
NO COLOUR PIN 166 BU 1 16? GP 2
les
wu
3
im B2-25 B6 B3-26
PERFORMANCE
ENGINE HARNESS
NO COLOUF 150 SP 157 B 152 GU 235
BU
154 WU 153 UK 155 W 156 YG 247
CN

l>IN 1 ? 3 4 5 6 7 e 9 10 II 12 1?
AREA B6 B4-27 B6 B2-25 B3-26 A2 66 C5 B6 GEARBOX LINK HARNESS
SHEET 7 AREA At
NO COLOUI 169 S 170 BS
171 NR
172 0
165 'RK 173 GB
174 KB
175 PY 176 KU 15} en
PIN 1 2 3 4 5 6 7 8 9 10 II 12 13 14 15
-If,.,

AREA C5 66
C6
03
A3 86
B5
B6 B6 »?
BULKHEAD HARNESS
SHEET II AREA D4
NO COLOUF 177 OW I7S OR 172 WR 179 OP ISO OB 181 OS 182 OK 183 ON 184 OU 185 OY 186 BU 187 R 188 U 189 6 190 N
PIN 1 ?. 3 4 5 6 7 8 9 10 II 1? 11 14 15 16 17 16 19 .29
AREA B6 B5 Dl B5 Be B5 B5 B5 B5 86 62-25 C6 C6 A6 B6
NO COLOUI 191 B 192 8 193 BU 194 WU
170 BS
181 OS 174 KB
PIN CI a C3 C4 C5 ce C7 C8 C9 CIO Cll CI2 CI3 CI4 CIS C16
AREA B4-27 84-27 B2-25 B3-26
Dl
D3 Dl
HO COLOUI
189 G 190 H 155 W
150 SP 152 GU
159 K 185 OY 167 GP
180 OB
PIN 01 02 03 04 D5 D6 07 1)8 09 010 on 012 013 014 015 piB
Ah'tA
03 D3 CI
CI CI
Al D3 A4
D3
NO COLOUR 161 RP 162 RG 162 OK 183 ON 184 OU 179 OP 178 OR
156 YG 169 S 171 NR
PIN Al A2 A3 A4 A5 A6 A7 A8 A9 AlO All m
AREA A3 A3 D3 03 03 Dl D3
CI Dl V
m COLOUR
247
GN
175 PY 177 OW 173 6B 176 KU
160 0 187 R mv
PIN Bl B? R3 B4 B5 B6 B7 B8 R9 BIO Rll tH
AREA
CI Dl 03 01 01
Al D3 ja
Wiring Diagram
Model - Aston Martin DB7 Coupe
Harness Title - Auto Gearbox
Drawing Part No. - B37-81299
Revision - 0 Sheet 4 of 29 - Up to 97 MY

NO COLOUR 152 GU 154 m 195 DIN I9e UIN 197 RN 198 GN 199 U 200
K
201 8 204 YN 205 YR 206
YO
20TN8 209
OK
210 OU 213 GW 215 GO 216 RG 219 GT 222 OS 223
OG

AREA Dl Dl B2 B2 CI-37 02 C5 C5 Bl B2 B2 B2 02 02 C6 C5 B5 B6 86 02 C6
NO COLOUR 221 KB 225 OY 229
GB
231 GP 232
R
233 8 234 u 235
BU
237
GN
265
WR
301 YB 319 BRD 320
KB
322
KB

AREA ci-3e C6 86 85 B6 B5 BS Dl C5 02 85 A2-54 CI-36 CI-36
NO COLOUR PIN 130 BG I 241 B ?
TRTT C4
_B!

IJEJ

NO COLOUR PIN
ABET
292
RIN
I 86 293
UIN
2 C5 294 W 3 A3-5I
NO COLOUR PIN
ARET
286
KB
A5-50 PURGE VALVE I I tio tOLOuD M mk

SPL
52-
SPL
53-
SPL
54.

HEATED
WASHER
JET
1^
I oooooooooooo gl
NO COLOUR 284
RO
g85B
AREA 81-33 t?-}9
NO COLOUR AREA 238 8 CI-35 239 e CI-34
NO 151 201

COLOUR
6 8
240 B
241 8

AREA
Dl Al 82 42

EARTH!
POINT
r

:ARTHL
'oiNTr

WIPER MOTOR
NO
C6LOUR
357
BLG
358
BR
35SWLG
359
0
24GB
PIN AREA Al
04
A2
D4
Bl
04 82
CI
04
C2 C3-39
NO COLOUf 295 RIN 296 UIN 297 RIN 298 UIN 196
UIN
195
RIN
299
W
300 KB 240
8
204 YH 206 YO 205 VR
t>IN
1 2 5 4 4 6 1 8 9 10 II \i

AREA
C5 C6 86 85 Al Al
A2-54 01-38
81 Al Al Al
NO COLOUR PIN
ABES"
282
RO
I 81-33 iBie 2 Ozil HEATED WASHER JET
SPL 47 SPL 48
LJ-^
a LAMBDA A
NO COLOUR PIN 274 RIN 1 275
W
2 276
RG
3 277
NS
4
AREA 85 B4-49 06 i^-JS

NO COLOUR
FIX
278 UIN
1
279 W
2
280 RY
3
281
NS 4

AREA
C5 84-49 06 84-48
NO COLOUR PIN AREA 271 RIN I C6 272 UIN 2 C6
g"*
^ C3-46

NO COLOUR
PIN
127
UN 1
128
KB 2
129
UR 3
130
BG 4

AREA
C5 D2 C5 A2

NO COLOUH 150
SP
151
8
235 BU 152
GU
154
WU
153
UK
155
W
156
YG
247 RN

PIN 1 2 S 4 5 6 r 8
9 10 II 12 15
AREA
C6 81
Al Al C6 C5 86
CI-37

.a. ^^^^^^^
'^ GEARBOX

SHEET
4
AREA
A2

NO coLour
248
NS
249
LGO

209
OK
250
WS
222 OS 207 NB 251 RN 252
WY
253 UC 15 RO 136 UB 198 GN 255
G
256KB 257
KB
128 KB 258
KB
259
OR
260 0 261 NR 262 BLG 263
WR

SHEET 8 AREA A2
PIN 1 2 3 4 5 6 7 8 9 10 11 1? 13 14 15 16 17 18 19 20 ?l ?? 23 24
AREA B4-46 86
Al 85 81 Al CI-37 C5 CG 81-33 C6 Al C5 CI-38 A5-50 04 CI-36 06 D6 C5 B6 Al
11111 PL 41 1 SPL 43 I SPL SPL 45 SPL 44

NO COLOUF 266
KB

267
R

268 B
269
N

270 G

PIN
1 ? 3 4 5 6 7 8
9

AREA CI-38

C5
85
86
C5

NO CDLOUf 268
B

274
RIN
233
8

301
YB

302 W
305 W 298 UIN
304 8
250
WS
215
GO
231
GP
127
UN
129
UR
255 G 305 8 306 8 507 B 308 B 267
R
270
G
278
UIN
309 W 234 U
200
K

199
U
293 urn 2SI
NR
295 RIN 252 WY 510
B

155
W

213
GW
257
GN

289
K
291
U
311
W
PIN
1 2
3
4 5 6 7 8 9 10
11
12 15 14 15 16
17 18 19 20 21 2? 25 24 25 26 27 28 29 30
31 3? 55 54
35 36 37 58 39 40 41 42 43 44 45 46 47 48 49 50 51 52

AREA
04
85 Al
Al

C4-44
C4-40
82

CI-34

02 81 Al C4 C4 01
CI-35 CI-35 CI-55 CI-35
04 04 85
C4-42
Al
Al
Al A5 02 82 D2
81-34

01
Al Al
A5 A5
C4-41
NO COLOUR
PIN
269 N
252 R
216
RG

249 LCD 292
RIN

156
YC
297 RIN 262 BLG
219
GY
229 GB
136
UB

287
W
271
RIN
512
KB

210
OU

155
UK
296 UIN 272
UIN
515
B
255
UG

150
SP

280 RY 276 RG 259 OR 260
0
225 OG 225
OY

53 54 55 56 57 58 59
60
61 62
63 64
65 66 67 68
69 70 71 72 73 74 75 76 77 78 79 80 81 82 85 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104
iSR 04
Al
81
C2 AJ
01 82 02
81 Al
02
A4 C3 0-3$
Al
01 82 C5 BI-34 02
01
B5 65 02 02 Bl Al

SHEET
8V
AREA
C3 ^

NO COLOUF 344 B 356 WLG 357 BLC 358 BR 359 0

TOT 1 2 3 4

I

AREA C3-39
CI CI CI CI
"^7 Wiring Diagram
Model - Aston Martin DB7 Coupe
Harness Title - Engine 2
PartNo.-B37-81301
Revision - 0 Sheet 6 of 29 - Up to 97 MY

NO
colour 177 OW 176 OR 17?
m
179
OP
180 OB lej
OS
182 OK 183 ON 181
OU
185
or
186 BU 187 R 188
U
183 G 190
N

PIN 1 ? 5 4 5 6 1

«
9 10 II li> 13 14 lb 16 17 IS 19
29
AREA
A5 A5 A5 A5 A5 *5 A5 A5 AS A5 A5 B3 B3 BZ B2

SHEET
4
AREA
C3

H

GEARBOX CONNECTOR

»« "draOB
M»
176 OR 179
OP
ISO WR 182 OK 183 ON 184 OU 185 OY 166
8U
177 OW ISI
WR
180 OB
181
OS

1 2 3 4 5 6 7 8 9 10 II 12

.Ji..

"mk
Al Al A2-204 Al Al Al Al Al Al A2-204 Al
Al
OUTPUT SPEED SENSOR
NO COLOUR 197 R 188
U

pm 1
2

AREA
Al Al INPUT SPEED SENSOR
NO COLOUR
PIN
XRET
190
N
I Al
189
G
2 Al

NO COLOUR 145
BG
497 SLC 521
YU
541
YU

547
B
262 BG

PIN 1 2 3
4 5 6 7 8 9
10
II 12 1}
AREA
C2 C5 C2 C2
C5 C2

115.521.541.262
TAPED
IN
LOOM

REVERSE LAMP SWITCH
NO COLOUR
PIN
ARE
I 497 SLG
2 CI
517 B
3 CI

ENGINE HARNESS

"^^ Wiring Diagram
Model
-
Aston Martin
DB7
Coupe
Harness Title
-
Auto/Manual Gearbox
PartNo.-B37-81302
Revision
0
Sheet
7 of 29
-
Up to 97 MY