Troubleshooting
Teledyne Continental Motors, Inc.
TM
8-14.2. IOF-550-N, P, and R Schematics
P1
ECU #1
IOF-550-N, P & R
REV: ~
Page 1 of 8
Teledyne Continental Motors, Inc.
TM
1
8
POWER_A
(WHITE)
ECU1_POWER_A
34
8
GND
(WHITE/BLUE)
POWER_A_RTN
2
8
POWER_B
(WHITE)
ECU1_POWER_B
35
8
GND
(WHITE/BLUE)
POWER_B_RTN
3
4
INJ_HS_A_RTN
(WHITE/BLUE)
INJ_HS_1_RTN
4
4
INJ_HS_A
(WHITE)
INJ_HS_1
5
4
INJ_HS_B_RTN
(WHITE/BLUE)
INJ_HS_2_RTN
6
4
INJ_HS_B
(WHITE)
INJ_HS_2
7
6
TCH_B_RTN
(WHITE)
TCH_2_RTN
8
6
TCH_B_SIG
(RED)
TCH_2_SIG
9
6
TCH_A_RTN
(WHITE)
TCH_1_RTN
10
6
TCH_A_SIG
(RED)
TCH_1_SIG
41
5
PMAN_A_RTN
(WHITE/BLUE)
ECU1_PMAN_A_RTN
25
5
PMAN_A_SIG
(WHITE)
ECU1_PMAN_A_SIG
12
11
5
45
5
PFUEL_A_RTN
(WHITE/BLUE)
ECU1_PMAN_A_RTN
PFPM_A_EXC
PFUEL_A_SIG
(WHITE)
ECU1_PFUEL_A_SIG
5
5
(WHITE/ORANGE)
ECU1_PFUEL_A_EXC
(WHITE/ORANGE)
ECU1_PMAN_A_EXC
50
5
PFUEL_B_RTN
(WHITE/BLUE)
ECU1_PFUEL_B_RTN
17
5
PFUEL_B_SIG
(WHITE)
ECU1_PFUEL_B_SIG
16
33
5
46
5
PMAN_B_RTN
(WHITE/BLUE)
ECU1_PMAN_A_RTN
PFPM_B_EXC
PMAN_B_SIG
(WHITE)
ECU1_PFUEL_B_SIG
5
5
(WHITE/ORANGE)
ECU1_PFUEL_B_EXC
(WHITE/ORANGE)
ECU1_PMAN_B_EXC
23
6
TEXH_A_HI
(YELLOW)
TEXH_1_HI
39
6
TEXH_A_LO
(RED)
TEXH_1_LO
24
6
TEXH_B_HI
(YELLOW)
TEXH_2_HI
40
6
TEXH_B_LO
(RED)
TEXH_2_LO
26
6
TMAN_A_SIG
(WHITE)
TMAN_1_SIG
43
6
TMAN_A_RTN
(RED)
TMAN_1_RTN
32
6
TMAN_B_SIG
(WHITE)
TMAN_2_SIG
48
6
TMAN_B_RTN
(RED)
TMAN_2_RTN
21
8
ENABLE_A
(WHITE)
ECU1_ENABLE_A
20
8
FAULT_A
(WHITE/BLUE)
FAULT_2
38
8
RS485_A
(WHITE)
ECU1_RS485_A
22
8
RS485_B
(WHITE)
ECU1_RS485_B
37
8
ENABLE_B
(WHITE)
ECU1_ENABLE_B
36
8
FAULT_B
(WHITE/BLUE)
FAULT_2
42
7
NCNE_A_EXC
(WHITE/BLUE)
ECU1_NCNE_A_EXC
27
7
NC_A_SIG
(WHITE)
ECU1_NC_A
28
7
NE_A_SIG
(WHITE)
ECU1_NE_A
44
7
NCNE_A_RTN
(WHITE/BLUE)
ECU1_NCNE_A_RTN
49
7
NCNE_B_EXC
(WHITE/BLUE)
ECU1_NCNE_B_EXC
31
7
NC_B_SIG
(WHITE)
ECU1_NC_B
30
7
NE_B_SIG
(WHITE)
ECU1_NE_B
47
7
NCNE_B_RTN
(WHITE/BLUE)
ECU1_NCNE_B_RTN
19
8
FUEL_RELAY
(WHITE/BLUE)
ECU1_FUEL_RELAY
13
8
MIX_12_SIG
(WHITE)
MIX_12_SIG
14
15
18
29
KNOCK_A
KNOCK_B
UNUSED OUTPUT DRIVER
JUMPER
8-50
IOF-550 Permold Series Engine Maintenance Manual
Figure 8-16.
IOF-550-N, P & R ECU #1
1 April 2007