Pin Tables Copyright Equiptech
Number of ECM pins: 25
Pin
Connection
Test condition
Volts/Duty Cycle etc.
1
ignition system control unit
cranking/running
switching 0 to nbv
2
CTS signal
ignition on/running
20°C 2.70
80°C 0.75
3
TPS idle contact: t1
Ignition on
throttle closed
zero
throttle part/fully open
5.0 ±0.1
4
unused
5
earth
0.25 max
6
AFS return: t2
7
AFS signal: t3
ignition on
0.20 to 0.70
idle
1.5
3000 rpm
2.4
snap open throttle
4.0+
8
AFS hot wire burn-off: t4
coolant above 65° C,
rpm above 2500,
switch off engine
hot wire glows for 1.0 second
9
supply from main relay : t87
nbv
10
ISCV signal: t3
idle speed
duty cycle 30 to 40%
11
12
TPS full-load contact: t3
throttle closed/part open
throttle fully open
13
injectors
cranking cold
3.8 ms
running cold
cranking warm
2.4 ms
running warm
2000 rpm
2.2 ms
2.1 ms
snap acceleration
6.0+ ms
deceleration
14
CO pot (AFS: t6)
0 to 4.0v
15
16
A/C
17
pump relay driver: t85
1.25 max
18
ignition switch: t15
19
20
OS signal (some models)
engine running
200 to 1000 mv
blacku