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
I5JB0D110006-01
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
I5JB0D110003-01
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