Pin Tables Copyright Equiptech
Number of ECM pins: 55
Number of ECM pins: 55
Pin Connection Test condition Volts/Duty Cycle etc
Pin Connection Test condition Volts/Duty Cycle etc
1 coil negative: t1 (cyls 1 & 4) cranking nbv
primary switching 200 min
dynamic volt drop 2.0 max
2 earth ignition on/running 0.25 max
3 main relay driver: t10 ignition on nbv
cranking/running 1.25 max
4 unused
5 CFSV : t1 ignition on nbv
engine running, active switching 0 to nbv
6 tachometer (if fitted)
7 MAP signal : t3 WOT/ignition on 4.35
Idle speed 1.5 approx
8 unused
9 VSS signal : t3 ignition on nbv
vehicle moving HE signal, when actuated
10 OS signal return : t4 engine running 0.25 max
11 CAS return : t1 cranking/running 0.25 max
12 sensor supply MAP: t1, TPS: t1 ignition on/running 5.0 ą 0.1
13 diagnostic socket : tC2,C3 ignition on
no major faults nbv
major faults 0.25 max
14 earth ignition on/running 0.25 max
15 ISCV : t3 ignition on nbv
engine running 30 to 40%
16 diagnostic socket : tC1
17 injectors (pulse) : t1 ignition on/running nbv
cranking cold 3.0+ ms
running cold 3.0 ms
cranking warm 2.4+ ms
running warm 2.0 ms
snap acceleration 6.0+ ms
18 battery positive: t30 ignition off/on nbv
19 earth ignition on/running 0.25 max
20 coil negative: t2 (cyls 2 & 3) cranking nbv
primary switching 200 min
dynamic volt drop 2.0 max
21 unused
22 diagnostic socket : tC2, C3 ignition on
no major faults nbv
major faults 0.25 max
23 unused
24 unused
25 CTS signal : t2 ignition on/running 20C 3.0 to 3.5
80C 1.0 to 1.3
26 sensor return ATS: t1, CTS: t1,
MAP: t2, TPS: t2, VSS: t3 ignition on/running 0.25 max
27 ATS signal ignition on/running 20C 3.0 to 3.5
28 OS signal : t3 ignition key on 0.4 to 0.5
engine running 200 to 1000 mv
throttle fully open 1.0 constant
1
Pin Tables Copyright Equiptech
29 TPS signal : t3 ignition on/running
closed 0.3
fully open 5.0 approx
30 CAS signal : t2 cranking: AC 2.0v+ (peak to peak)
Idle: AC 11.0v+ (peak to peak)
cruise: AC 14.0v+ (peak to peak)
31 unused
32 A/C
33 ISCV : t1 ignition on nbv
engine running duty cycle 30 to 40%
34 A/C
35 unused
36 unused
37 supply from main relay : t4 ignition on/running nbv
38 unused
39 unused
40 unused
41 unused
42 unused
43 unused
44 unused
45 unused
46 unused
47 unused
48 unused
49 unused
50 unused
51 unused
52 unused
53 unused
54 unused
55 unused
< END >
< END >
2
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