2000 SUZUKI SWIFT Ignitor
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6-26 ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10)
ConditionPossible CauseReferring Item
Engine has no
powerIgnition system out of order
Faulty spark plug
Faulty ignition coil with ignitor
Leaks, loose connection or disconnection of
high-tension cord
Engine overheating
Fuel system out of order
Clogged fuel hose or pipe
Malfunctioning fuel pump
Air inhaling from intake manifold gasket or
throttle body gasket
Engine and emission control system out of
order
Maladjusted accelerator cable play
Poor performance of TP sensor, ECT sensor or
MAP sensor
Faulty fuel injector
Faulty ECM (PCM)
Low compression
Others
Dragging brakes
Slipping clutch
Spark plugs in Section 6F
Ignition coil in Section 6F
High-tension cords in Section 6F
Refer to “Overheating” section
Diagnostic Flow Table B-3 in
Section 6
Diagnostic Flow Table B-2
Accelerator cable play in Section
6E1
TP sensor, ECT sensor or MAP
sensor in Section 6E1
Diagnostic Flow Table B-1
Previously outlined
Trouble diagnosis in Section 5
Trouble diagnosis in Section 7C
Page 78 of 557
ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10) 6-27
ConditionPossible CauseReferring Item
Improper engine
idling or engine
fails to idleIgnition system out of order
Faulty spark plug
Leaky or disconnected high-tension cord
Faulty ignition coil with ignitor
Fuel system out of order
Fuel pressure out of specification
Leaky manifold, throttle body, or cylinder head
gasket
Engine and emission control system out of
order
Faulty idle control system
Faulty evaporative emission control system
Faulty fuel injector
Faulty fuel injector resistor
Poor performance of ECT sensor, TP sensor or
MAP sensor
Faulty ECM (PCM)
Engine overheating
Low compression
Others
Loose connection or disconnection of vacuum
hoses
Malfunctioning PCV valve
Spark plugs in Section 6F
High-tension cords in Section 6F
Ignition coil in Section 6F
Diagnostic Flow Table B-3 in
Section 6
Diagnostic Flow Table P0505
EVAP control system in Section
6E
Diagnostic Flow Table B-1
Fuel injector resistor in Section 6E1
ECT sensor, TP sensor or MAP
sensor in Section 6E1
Refer to “Overheating” section
Previously outlined
PCV system in Section 6E1
Page 79 of 557
6-28 ENGINE GENERAL INFORMATION AND DIAGNOSIS (TBI FOR G10)
ConditionPossible CauseReferring Item
Excessive
hydrocarbon (HC)
emission or carbon
monoxide (CO)Ignition system out of order
Faulty spark plug
Leaky or disconnected high-tension cord
Faulty ignition coil with ignitor
Low compression
Engine and emission control system out of
order
Lead contamination of three way catalytic
converter
Faulty evaporative emission control system
Fuel pressure out of specification
Closed loop system (A / F feed back
compensation) fails
–Faulty TP sensor
–Poor performance of ECT sensor or MAP
sensor
Faulty injector
Faulty fuel injector resistor
Faulty ECM (PCM)
Others
Engine not at normal operating temperature
Clogged air cleaner
Vacuum leaks
Spark plugs in Section 6F
High-tension cords in Section 6F
Ignition coil assembly in Section
6F
Refer to “Low compression”
section
Check for absence of filler neck
restrictor
EVAP control system in Section
6E1
Diagnostic Flow Table B-3
TP sensor in Section 6E1
ECT sensor or MAP sensor in
Section 6E1
Diagnostic Flow Table B-1
Fuel injector resistor in Section 6E1
Excessive nitrogen
oxides (NOx)
emissionIgnition system out of order
Improper ignition timing
Engine and emission control system out of
order
Lead contamination of catalytic converter
Fuel pressure out of specification
Closed loop system (A / F feed back
compensation) fails
–Faulty TP sensor
–Poor performance of ECT sensor or MAP
sensor
Faulty injector
Faulty fuel injector resistor
Faulty ECM (PCM)
See section 6F1
Check for absence of filler neck
restrictor.
Diagnostic Flow Table B-3
TP sensor in Section 6E1
ECT sensor or MAP sensor in
Section 6E1
Diagnostic Flow Table B-1
Fuel injector resistor in Section 6E1
Page 182 of 557
6-1-26 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)
ConditionPossible CauseReferring Item
Engine has no
powerIgnition system out of order
Faulty spark plug
Faulty ignition coil with ignitor
Leaks, loose connection or disconnection of
high-tension cord
Engine overheating
Fuel system out of order
Clogged fuel hose or pipe
Malfunctioning fuel pump
Air inhaling from intake manifold gasket or
throttle body gasket
Engine and emission control system out of
order
Malfunctioning EGR valve
Maladjusted accelerator cable play
Poor performance of TP sensor, ECT sensor or
MAP sensor
Faulty fuel injector(s)
Faulty ECM (PCM)
Low compression
Others
Dragging brakes
Slipping clutch
Spark plugs in Section 6F1
Ignition coil in Section 6F1
High-tension cords in Section 6F1
Refer to “Overheating” section
Diagnostic Flow Table B-3
Diagnostic Flow Table B-2
EGR system inspection in Section
6E2
Accelerator cable play in Section
6E2
TP sensor, ECT sensor or MAP
sensor in Section 6E2
Diagnostic Flow Table B-1
Previously outlined
Trouble diagnosis in Section 5
Trouble diagnosis in Section 7C
Page 183 of 557
ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13) 6-1-27
ConditionPossible CauseReferring Item
Improper engine
idling or engine
fails to idleIgnition system out of order
Faulty spark plug
Leaky or disconnected high-tension cord
Faulty ignition coil with ignitor
Fuel system out of order
Fuel pressure out of specification
Leaky manifold, throttle body, or cylinder head
gasket
Engine and emission control system out of
order
Malfunctioning EGR valve
Faulty idle air control system
Faulty evaporative emission control system
Faulty EGR system
Faulty fuel injector(s)
Poor performance of ECT sensor, TP sensor or
MAP sensor
Faulty ECM (PCM)
Engine overheating
Low compression
Others
Loose connection or disconnection of vacuum
hoses
Malfunctioning PCV valve
Spark plugs in Section 6F
High-tension cords in Section 6F
Ignition coil in Section 6F
Diagnostic Flow Table B-3
EGR system in Section 6E2
Diagnostic Flow Table B-4
EVAP control system in Section
6E2
EGR system in Section 6E2
Diagnostic Flow Table B-1
ECT sensor, TP sensor or MAP
sensor in Section 6E2
Refer to “Overheating” section
Previously outlined
PCV system in Section 6E2
Page 184 of 557
6-1-28 ENGINE GENERAL INFORMATION AND DIAGNOSIS (SFI FOR G13)
ConditionPossible CauseReferring Item
Excessive
hydrocarbon (HC)
emission or carbon
monoxide (CO)Ignition system out of order
Faulty spark plug
Leaky or disconnected high-tension cord
Faulty ignition coil with ignitor
Low compression
Engine and emission control system out of
order
Lead contamination of three way catalytic
converter
Faulty evaporative emission control system
Fuel pressure out of specification
Closed loop system (A / F feed back
compensation) fails
–Faulty TP sensor
–Poor performance of ECT sensor or MAP
sensor
Faulty injector(s)
Faulty ECM (PCM)
Others
Engine not at normal operating temperature
Clogged air cleaner
Vacuum leaks
Spark plugs in Section 6F1
High-tension cords in Section 6F1
Ignition coil assembly in Section
6F1
Refer to “Low compression”
section
Check for absence of filler neck
restrictor
EVAP control system in Section
6E2
Diagnostic Flow Table B-3
TP sensor in Section 6E2
ECT sensor or MAP sensor in
Section 6E2
Diagnostic Flow Table B-1
Excessive nitrogen
oxides (NOx)
emissionIgnition system out of order
Improper ignition timing
Engine and emission control system out of
order
Lead contamination of catalytic converter
Faulty EGR system
Fuel pressure out of specification
Closed loop system (A / F feed back
compensation) fails
–Faulty TP sensor
–Poor performance of ECT sensor or MAP
sensor
Faulty injector(s)
Faulty ECM (PCM)
See section 6F1
Check for absence of filler neck
restrictor.
EGR system in Section 6E2
Diagnostic Flow Table B-3
TP sensor in Section 6E2
ECT sensor or MAP sensor in
Section 6E2
Diagnostic Flow Table B-1
Page 394 of 557
ENGINE AND EMISSION CONTROL SYSTEM (TBI FOR G10) 6E1-3
1. Tank pressure control valve
2. Fuel liquid separator
3. Fuel tank
4. Fuel pump
5. Fuel level sensor (gauge)
6. Fuel filter
7. Fuel pressure regulator
8. Throttle body
9. Fuel injector
10. MAP sensor
11. TP sensor
12. ISC actuator
(including CTP switch)
13. PCV valve
14. Exhaust manifold
15. Intake manifold
16. Heated oxygen sensor-117. Warm up three way catalytic
convertor (WU-TWC)
(if equipped)
18. Three way catalytic convertor
19. IAT sensor
20. ECT sensor
21. EFE heater
22. EVAP canister purge valve
23. EVAP canister
24. Heated oxygen sensor-2
25. Radiator fan motor
26. Ignition coil
27. Ignitor
28. Electric load
29. A / C amplifier (if equipped)
30. Camshaft position sensor
31. Crankshaft position sensor32. VSS (on A / T)
33. Transmission range sensor
(switch) (A / T)
34. Shift solenoid-A (A / T)
35. Shift solenoid-B (A / T)
36. Data link connector
37. VSS (in combination meter of
M / T vehicle)
38. PSP switch (if equipped)
39. Malfunction indicator lamp
40. Transmission range sensor
(switch) (A / T)
41. Main (Ignition) switch
42. Main fuse
43. Battery
44. Immobilizer indicator lamp
Page 396 of 557
INFORMATION SENSORS
1. MAP sensor
2. TP sensor
3. IAT sensor
4. ECT sensor
5. Heated oxygen sensor-1
6. VSS
7. Ignition coil
8. Battery
9. Distributor (CMP sensor)
10. A / C controller (if equipped)
11. CKP sensor
12. CTP switch (in ISC actuator)
13. Heated oxygen sensor-2CONTROLLED DEVICES
a : Fuel injector
b : EVAP canister purge valve
c : Fuel pump relay
d : Malfunction indicator lamp
e : ISC actuator
f : Radiator fan control relay
g : Ignitor
h : EFE heater relay
i : ISC actuator relayOTHERS
A : ECM (PCM)
B : Main relay
C : EVAP canister
D : Injector resistor
E : EFE heater
F : Electric load diode
G : Data link connector
ENGINE AND EMISSION CONTROL SYSTEM (TBI FOR G10) 6E1-5
The electronic control system consists of 1) various
sensors which detect the state of engine and driving
conditions, 2) ECM which controls various devices
according to the signals from the sensors and 3) vari-
ous controlled devices.
Functionally, it is divided into following sub systems:
Fuel injection control system
Idle speed control systemFuel pump control system
A/C control system (if equipped)
Radiator fan control system
Evaporative emission control system
EFE heater control system
Oxygen sensor heater control system
Ignition control system
A / T control system
ELECTRONIC CONTROL SYSTEM