Suzuki Grand Vitara JB416 / JB420 (ESP model). Service manual - part 3

1A-8 Engine General Information and Diagnosis: 

Refer to “Engine and Emission Control System Flow Diagram” and “ECM Input / Output Circuit Diagram”.

Engine and Emission Control Input / Output Table

S5JB0E1101012

INPUT

OUTPUT

ELECTRIC CONTROL DEVICE

FUEL LEVEL SENSOR

For detecting fuel level

BAROMETRIC PRESSURE SENSOR

STOP LAMP SWITCH

START SWITCH

IGNITION SWITCH

A/C REFRIGERANT PRESSURE SENSOR (if equipped with A/C)

BLOWER SWITCH

A/C SWITCH (if equipped with A/C)

A/C EVAP OUTLET AIR TEMP. SENSOR (if equipped with A/C)

WHEEL SPEED SENSOR

A/F SENSOR

HEATED OXYGEN SENSOR-2

IAT SENSOR OF MAF AND IAT SENSOR   

MAF SENSOR OF MAF AND IAT SENSOR 

ECT SENSOR

POWER STEERING PRESSURE SWITCH

TP SENSOR

THROTTLE ACTUATOR 

FUEL PUMP RELA

Y

FUEL INJECT

IMT VACUUM SOLENOID VALVE

(for J20 engine) 

GENERATOR CONTROL

THROTTLE  ACTUATOR CONTROL RELAY 

OR

A/F SENSOR HEATER & HO2S HEATER

IGNITION COIL 

WITH IGNITER

EGR V

A

LV

E

EV

AP CANISTER PURGE 

V

A

LV

E

A/C COMPRESSOR RELA

Y (if equipped with A/C)

RADIA

T

OR F

AN RELA

Y

MIL

MAIN RELA

Y

OIL CONTR

OL 

V

A

LVE (for M16 engine)

SIGNAL FR

OM SENSOR, SWITCH AND CONTR

OL MODULE

ABS / ESP    CONTROL MODULE

KNOCK SENSOR

MAP SENSOR

CMP SENSOR

CKP SENSOR

IMMOBILIZER CONTROL MODULE (in ECM) (if equipped)

ELECTRIC LOAD (headlight, rear defogger)

GENERATOR

SHIFT RANGE SWITCH (except "P" or "N" range) (for A/T model)

ACCELERATOR PEDAL POSITION (APP) SENSOR

R

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Engine General Information and Diagnosis:  1A-9

Schematic and Routing Diagram

Engine and Emission Control System Diagram

S5JB0E1102001

48

37

25

42

35

33

34

24

43

18

26

10

9

7

8

14

13

23 

11

15

12

2

6

1

3

30

29

38

16

17

36

31

22

21

40

27

41

32

4

28

44

5

45

20

19

46

47

39

49

I5JB0A110015-04

1A-10 Engine General Information and Diagnosis: 

1. Air cleaner

18. Radiator cooling fan motor

35. Immobilizer coil antenna (if equipped)

2. EVAP canister purge valve

19. Combination meter

36. Main relay

3. MAF and IAT sensor

20. BCM

37. Wheel speed sensor (VSS)

4. TP sensor

21. Ignition switch

38. Oil control valve (for M16 engine)

5. IMT valve (for J20 engine)

22. Starter magnetic switch

39. TCM (for A/T or model)

6. MAP sensor

23. Heated oxygen sensor (HO2S)-2

40. Starting motor control relay

7. EGR valve

24. DLC

41. A/C refrigerant pressure sensor (if equipped with A/C)

8. EVAP canister

25. Electric load

42. Accelerator pedal position (APP) sensor

9. Tank pressure control valve (built-in fuel pump)

26. Fuel level sensor

43. Throttle actuator control relay

10. Fuel pump

27. Stop lamp

44. Throttle actuator

11. Ignition coil assembly

28. Stop lamp switch

45. IMT vacuum solenoid valve (for J20 engine)

12. Fuel injector

29. ECM

46. Keyless start control module (if equipped)

13. A/F sensor

30. Barometric pressure sensor

47. 4WD control module (if equipped)

14. Knock sensor

31. Battery

48. ABS / ESP

® control module

15. ECT sensor

32. A/C compressor relay (if equipped 

with A/C)

49. For J20 engine

16. CMP sensor

33. Power steering pump pressure 

switch

17. CKP sensor

34. Generator

Engine General Information and Diagnosis:  1A-11

Engine and Emission Control System Flow Diagram

S5JB0E1102002

FUEL T

ANK

FUEL LEVEL

SENSOR

FUEL 

PUMP

EGR

VA

LV

E

MAP

SENSOR

INT

AKE

MANIFOLD

EXHA

UST

MANIFOLD

V

A

CUUM

EXHA

UST GAS

AIR

FUEL

VA

P

O

R

THREE W

A

Y

CA

T

A

LYST

EXHA

U

ST

PIPE

EV

AP

CANISTER

EV

AP

CANISTER

PURGE

VA

LV

E

CHECK

VA

LV

E

FUEL 

INJECT

OR

CURRENT

SENSOR

(FOR J20

ENGINE)

ECT

SENSOR

RADIA

T

OR

FA

N

ECM

HEA

TER

CONTR

OL

BAR

OMETRIC

PRESSURE

SENSOR

A/F SENSOR

(IF EQ

UIPPED)

HO2S-2

(IF EQ

UIPPED)

ENGINE

CMP

SENSOR

CKP

SENSOR

KNOCK

SENSOR

IGNITION

COIL

WITH IGNITER

CMP A

C

TU

A

T

OR

OIL CONTR

O

L

VA

LV

E

(FOR M16 

ENGINE)

A

CCELERA

T

O

R PED

A

L

POSITION (APP) SENSOR

A/C COMPRESSOR

CLUTCH

(IF EQ

UIPPED 

WITH A/C)

HEA

TER

CONTR

OL

GENERA

T

O

R

IMMOBILIZER

COIL ANTENNA

(IF EQ

UIPPED)

KEYLESS ST

AR

T

CONTR

O

L MODULE

(IF EQ

UIPPED)

PO

WER STEERING

PUMP PRESSURE

SWITCH

TCM (FOR A/T MODEL)

ST

OP LAMP

SWITCH

AIR

CLEANER

IA

T

SENSOR

MAF

SENSOR

ABS / ESP    CONTR

OL

MODULE

A/C REFRIGERANT

PRESSURE SENSOR

(IF EQ

UIPPED 

WITH A/C)

COMBINA

TION METER

· MIL

· COOLANT 

TEMP

.

· IMMOBILIZER INDICA

T

OR LAMP 

· T

A

CHOMETER

· SPEEDOMETER

· 

ELECTRIC LO

AD

DLC

· 

A/C SWITCH ON

               (IF EQ

UIPPED 

WITH A/C)

TP

SENSOR

THR

O

TTLE BOD

Y ASSEMBL

Y

THR

O

TTLE

AC

T

U

A

T

O

R

IMT V

A

CUUM

SOLENOID V

A

LV

E

(FOR J20 ENGINE)

IMT V

A

LV

E

(FOR J20 ENGINE)

WHEEL SPEED

SENSOR (VSS)

BCM

4WD CONTR

O

L MODULE

(IF EQ

UIPPED)

R

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