Checking Electric Control Unit Connector - wsm L3301 Workshop Manual

L3301, L3901, L4701, WSM

(1) Checking Electric Control Unit Connector

Color of
No.
wiring
1 B
2 B
3 R
4 R/G Engine ECU Main Relay (Switch Side)
5 R/Y
6 R/B Engine ECU Main Relay (Switch Side)
7 W/B
8 B Crankshaft Position Sensor (−)
9 –
10 –
11 B/Y Coolant Temperature Sensor (−)
12 –
13 B/W DPF Differential Pressure Sensor (+)
14 –
15 –
16 –
17 –
18 R Intake Throttle Valve Position Sensor (+)
19 –
20 S/B
21 –
22 –
23 –
24 –
25 –
26 –
27 –
28 –
29 W
30 –
31 –
32 R/GR
33 W/G Coolant Temperature Sensor (Signal)
34 –
35 –
36 Y/B DPF Differential Pressure Sensor (−)
37 B/P Intake Throttle Valve Position Sensor (Signal)
Terminal Name
GND
GND
Injector #1 and #4 (+)
Injector #2 and #3 (+)
Injector #4 (−)
–
–
–
–
–
–
–
–
OPC Signal
–
–
–
–
–
–
–
–
Injector #3 (−)
–
–
Rail Pressure Sensor (+)
–
–
Color of
No.
wiring
48 –
49 –
50 R/W
51 W/R
52 –
53 B
54 Y/L
55 W/B Exhaust Gas Temperature Sensor T2 (−)
56 –
57 Y Exhaust Gas Temperature Sensor T1
58 –
59 GR Exhaust Gas Temperature Sensor T0
60 –
61 W/V
62 R
63 B
64 –
65 W/R
66 BR
67 –
68 –
69 –
70 B/BR
71 R/B
72 –
73 W/L
74 –
75 W
76 G/B
77 B/L Exhaust Gas Temperature Sensor T2
78 –
79 P Exhaust Gas Temperature Sensor T1 (−)
80 –
81 W/R Exhaust Gas Temperature Sensor T0 (−)
82 W Intake Throttle Valve Position Sensor (−)
83 –
84 R/L Intake Throttle Valve Motor (DC Motor +)
9-S24
ELECTRICAL SYSTEM
Terminal Name
–
–
Engine ECU Main Relay (Coil Side)
Injector #2 (−)
–
Air Flow Sensor (−)
Rail Pressure Sensor (Signal)
–
–
–
Air Flow Sensor (Signal)
CAN2 (H)
CAN2 (L)
–
CAN1 (L)
CAN1 (H)
–
–
–
Glow Relay (Coil Side)
Ignition Switch
–
Injector #1 (−)
–
Crankshaft Position Sensor (Signal)
Rail Pressure Sensor (−)
–
–
–
KiSC issued 09, 2016 A