Troubleshooting
Teledyne Continental Motors, Inc.
TM
P3
ELECTRONIC CONTROL UNIT #3
1
8
POWER_A
(WHITE)
ECU3_POWER_A
34
8
GND
(WHITE/BLUE)
POWER_A_RTN
2
8
POWER_B
(WHITE)
ECU3_POWER_B
35
8
GND
(WHITE/BLUE)
POWER_B_RTN
3
4
INJ_HS_A_RTN
(WHITE/BLUE)
INJ_HS_5_RTN
4
4
INJ_HS_A
(WHITE)
INJ_HS_5
5
4
INJ_HS_B_RTN
(WHITE/BLUE)
INJ_HS_6_RTN
6
4
INJ_HS_B
(WHITE)
INJ_HS_6
7
6
TCH_B_RTN
(WHITE)
TCH_6_RTN
8
6
TCH_B_SIG
(RED)
TCH_6_SIG
9
6
TCH_A_RTN
(WHITE)
TCH_5_RTN
10
6
TCH_A_SIG
(RED)
TCH_5_SIG
41
5
PMAN_A_RTN
(WHITE/BLUE)
ECU3_PMAN_A_RTN
25
5
PMAN_A_SIG
(WHITE)
ECU3_PMAN_A_SIG
12
11
5
45
5
PFUEL_A_RTN
(WHITE/BLUE)
ECU3_PMAN_A_RTN
PFPM_A_EXC
PFUEL_A_SIG
(WHITE)
ECU3_PFUEL_A_SIG
5
5
(WHITE/ORANGE)
ECU3_PFUEL_A_EXC
(WHITE/ORANGE)
ECU3_PMAN_A_EXC
50
5
PFUEL_B_RTN
(WHITE/BLUE)
ECU3_PFUEL_B_RTN
17
5
PFUEL_B_SIG
(WHITE)
ECU3_PFUEL_B_SIG
16
33
5
46
5
PMAN_B_RTN
(WHITE/BLUE)
ECU3_PMAN_A_RTN
PFPM_B_EXC
PMAN_B_SIG
(WHITE)
ECU3_PFUEL_B_SIG
5
5
(WHITE/ORANGE)
ECU3_PFUEL_B_EXC
(WHITE/ORANGE)
ECU3_PMAN_B_EXC
23
6
TEXH_A_HI
(YELLOW)
TEXH_5_HI
39
6
TEXH_A_LO
(RED)
TEXH_5_LO
24
6
TEXH_B_HI
(YELLOW)
TEXH_6_HI
40
6
TEXH_B_LO
(RED)
TEXH_6_LO
26
6
TMAN_A_SIG
(WHITE)
TMAN_5_SIG
43
6
TMAN_A_RTN
(RED)
TMAN_5_RTN
32
6
TMAN_B_SIG
(WHITE)
TMAN_6_SIG
48
6
TMAN_B_RTN
(RED)
TMAN_6_RTN
21
8
ENABLE_A
(WHITE)
ECU3_ENABLE_A
20
8
FAULT_A
(WHITE/BLUE)
FAULT_6
38
8
RS485_A
(WHITE)
ECU3_RS485_A
22
8
RS485_B
(WHITE)
ECU3_RS485_B
37
8
ENABLE_B
(WHITE)
ECU3_ENABLE_B
36
8
FAULT_B
(WHITE/BLUE)
FAULT_6
42
7
NCNE_A_EXC
(WHITE/BLUE)
ECU3_NCNE_A_EXC
27
7
NC_A_SIG
(WHITE)
ECU3_NC_A
28
7
NE_A_SIG
(WHITE)
ECU3_NE_A
44
7
NCNE_A_RTN
(WHITE/BLUE)
ECU3_NCNE_A_RTN
49
7
NCNE_B_EXC
(WHITE/BLUE)
ECU3_NCNE_B_EXC
31
7
NC_B_SIG
(WHITE)
ECU3_NC_B
30
7
NE_B_SIG
(WHITE)
ECU3_NE_B
47
7
NCNE_B_RTN
(WHITE/BLUE)
ECU3_NCNE_B_RTN
19
8
FUEL_RELAY
(WHITE/BLUE)
ECU3_FUEL_RELAY
13
8
MIX_56_SIG
(WHITE)
MIX_56_SIG
14
15
18
29
KNOCK_A
KNOCK_B
UNUSED OUTPUT DRIVER
JUMPER
ECU #3
IOF-550-N, P & R
REV: ~
Page 3 of 8
Teledyne Continental Motors, Inc.
TM
Figure 8-18.
IOF-550-N, P & R ECU #3
8-52
IOF-550 Permold Series Engine Maintenance Manual
1 April 2007