Suzuki Grand Vitara XL-7 Service Manual page 286

6E3-8 ENGINE AND EMISSION CONTROL SYSTEM (RHZ ENGINE)
ECM CONNECTOR (TERMINAL ARRANGEMENT VIEWED FROM HARNESS SIDE)
1. Pre post heating relay (control unit)
2. Glow plugs
3. Vehicle speed sensor
4. Mass air flow sensor
(built-in intake air temp. sensor)
5. Throttle position sensor
(Accelerator stroke sensor)
6. Fuel (rail) pressure sensor
7. Intake air pressure sensor (MAP sensor)
8. Fuel temperature sensor
9. Fuel injector No.1
10. Fuel injector No.2
11. Fuel injector No.3
12. Fuel injector No.4
13. Camshaft position sensor
TERMINAL CIRCUIT
C51-1 Double relay (Main relay)
C51-2 Fuel injector No.1 (+)
C51-3 Fuel injector No.3 (+)
C51-4 Fuel injector No.4 (+)
C51-5 Fuel injector No.2 (+)
C51-6 Fuel injector No.2 (–)
C51-7 –
C51-8 Radiator fan state
C51-9 –
C51-10 Data link connector 12 V (L-line)
C51-11 Intake air temperature
C51-12 Camshaft position sensor (+)
C51-13 Mass air flow sensor
Crankshaft position (Engine speed)
C51-14
sensor (–)
Throttle position sensor
C51-15
(Accelerator stroke sensor)
C51-16 –
C51-17 –
C51-18 Camshaft position sensor
C51-19 Vehicle speed sensor
C51-20 –
C51-21 –
C51-22 Sensor ground
C51-23 Engine coolant temp. warning lamp
C51-24 –
C51-25 Radiator fan relay (High)
Boost (Turbo) pressure regulator
C51-26
solenoid valve
C51-27 –
C51-28 –
C51-29 Power source
C51-30 Fuel injector No.1 (–)
14. Engine coolant temperature sensor
15. Crankshaft position sensor
(Engine speed sensor)
16. Immobilizer control module
17. A / C control module
18. Combination meter
19. Transmission control module (TCM)
20. Data link connector
21. Radiator fan motor 1 (Left side)
22. Radiator fan relay 1 (High / Low)
23. Radiator fan relay 2 (High)
24. Radiator fan relay 3 (Low)
25. Radiator fan motor 2 (Right side)
26. Engine coolant temperature warning lamp
27. Malfunction indicator lamp
TERMINAL CIRCUIT
C51-31 Fuel injector No.3 (–)
C51-32 Fuel injector No.4 (–)
C51-33 Ground
C51-34 Ground for fuel pressure sensor
C51-35 –
C51-36 Immobilizer control module signal
C51-37 –
C51-38 Data link connector (K-line)
C51-39 Fuel temperature sensor
C51-40 Ground for camshaft position sensor
Crankshaft position (Engine speed)
C51-41
sensor (+)
C51-42 –
C51-43 –
C51-44 Sensor supply 5 V
Engine coolant temperature sensor
C51-45
signal
C51-46 Engine coolant temperature sensor
C51-47 A / C control module
C51-48 Brake lamp switch
C51-49 Ground
C51-50 Fuel pressure regulator
C51-51 Ground
C51-52 EGR solenoid valve
C51-53 Ground
C51-54 –
C51-55 EGR throttle solenoid valve
C51-56 Glow indicator lamp
C51-57 –
C51-58 –
C51-59 –
C51-60 –
1. ECM
2. ECM connector
28. Glow indicator lamp
29. Brake lamp switch
30. Fuel pressure regulator
31. Double relay
32. Ignition switch
33. Battery
34. EGR solenoid valve
35. Boost (Turbo) pressure regulator
solenoid valve
36. EGR throttle solenoid valve
37. Injection pump solenoid valve
(3rd piston deactivator)
38. Fuel pump
39. Engine control module (ECM)
TERMINAL CIRCUIT
C51-61 –
C51-62 Engine speed signal (Combination meter)
C51-63 –
C51-64 Throttle position signal (A / T)
C51-65 Engine torque signal (A / T)
Immobilizer control module wake-up
C51-66
signal
C51-67 Pre heating diagnostic
C51-68 Throttle position sensor
Power source for mass air flow sensor
C51-69
(Power source after ignition on)
C51-70 –
C51-71 Intake air pressure sensor
C51-72 –
C51-73 –
C51-74 Fuel (rail) pressure sensor
C51-75 –
C51-76 –
C51-77 –
C51-78 –
C51-79 –
Injection pump solenoid valve
C51-80
(3rd piston deactivator)
C51-81 –
C51-82 Malfunction indicator lamp
C51-83 Radiator fan relay (Low)
C51-84 A / C cut signal
C51-85 –
C51-86 Double relay (Main relay)
C51-87 Double relay (fuel pump relay)
C51-88 Pre post heating relay