Cowl

Make

Aston Martin

Model

DB9 Factory Workshop Manual

Year

Issue 2, 2005

Section

Engine Management System › Cowl

03 EngineCowl

Caution
Check plugs to ensure correct connector

(Refer to 'Circuit Diagrams', page 18-1-17)

Cowl

C0635-	Description	I / O	Circuit Page
48	Power ground		56
49	Power ground		56
50	IGNSNS	I	56

E - Engine

C0636-	Description	I / O	Circuit Page
1	(CD1) Cylinder 1	0	47
2	Injector 1	0	48
3	Injector 6	0	48
4	Injector 4	0	48
5	Injector 3	0	48
7	Throttle pot return		72
8	Injector 5	0	48
9	Injector 2	0	48
10	Injector 7	0	48
11	Injector 8	0	48
12	(CD5) Cylinder 5	0	47
13	Inlet air temperature	I	67
14	Fan Control	0	21
15	Camshaft / Crankshaft Return		65
18	Throttle Pot Reference Volume		72
19	TP1-NS	I	72
24	(CD3) Cylinder 3	0	47
25	CID 1	I	65
29	TP2-PS	I	72
30	HEGO 11	I	43
31	Hego21	I	43
33	Engine Coolant Temperature	I	65
34	Crankshaft Position	I	65
35	(CD6) Cylinder 6	0	47
36	Fuel Rail Temperature	I	65
37	Fuel Rail Pressure Tran	I	65
38	(CD2) Cylinder 2	0	47
39	(CD4) Cylinder 4	0	47
40	Ref. Voltage A		65
41	Signal Return		43, 65, 67
45	Crankshaft Positive	I	65
47	Throttle Mtr +	0	72
48	Throttle Mtr -	0	72
49	HTR11	0	43
50	HTR21	0	43

PCM B

View looking into the PCM connectors.

E - Engine

C2464-	Description	I / O	Circuit Page
1	(CD7) Cylinder 1	0	47
2	Injector 1	0	48
3	Injector 6	0	48
4	Injector 4	0	48
5	Injector 3	0	48
7	Throttle pot return		72
8	Injector 5	0	48
9	Injector 2	0	48
10	Injector 7	0	48
11	Injector 8	0	48
12	(CD11) Cylinder 5	0	47
13	Inlet air temperature	I	67
15	Camshaft / Crankshaft Return		66
18	Throttle Pot Reference Volume		72
19	TP1-NS	I	72
24	(CD9) Cylinder 3	0	47
25	CID 1	I	66
29	TP2-PS	I	72
30	HEGO 11	I	44
31	HEGO 21	I	44
34	Crankshaft Position+	I	66
35	(CD12) Cylinder 6	0	47
37	Fuel tank pressure tran	I	66
38	(CD8) Cylinder 2	0	47
39	(CD10) Cylinder 4	0	47
40	Ref. Voltage A		66
41	Signal Return		44, 66, 67
45	Crankshaft Positive -	I	72
47	Throttle Mtr +	0	72
48	Throttle Mtr -	0	72
49	HTR11	0	44
50	HTR21	0	44

04 Engine