Mode
|
Description
|
Symptom
|
Possible
Cause
|
MODE 1
|
FORCED ENGINE SHUTDOWN
|
Engine stop
|
| •
|
ETC system can't proceed reliable
algorithm procedure |
| - |
Fatal PCM internal programming
error |
| - |
Faulty intake system or throttle
body | | |
MODE 2
|
FORCED IDLE & POWER MANAGEMENT
|
Forced idle state controlled by fuel quantity
regulation and ignition timing adjustment
|
| •
|
ETC system can't control engine power
via throttle device |
| •
|
Disabled throttle control or broken
throttle position
information | |
MODE 3
|
FORCED IDLE
|
Forced idle state and no response for accelerator
activation
|
| •
|
No information about the accelerator
position |
| - |
Broken APS 1 and 2, faulty A/D
converter or internal
controller | | |
MODE 4
|
LIMIT PERFORMANCE & POWER MANAGEMENT
|
Engine power is determined by accelerator position and
idle power requirement (Limited vehicle running)
|
| •
|
ETC system can't securely control
engine power | |
MODE 5
|
LIMIT PERFORMANCE
|
| 1. |
Engine power varies with accelerator
position, but driver perceives lack of engine
power. |
| 2. |
MIL ON (Normal vehicle
running) | |
| •
|
Not reliable accelerator position
signal or bad maximum power
generation |
| - |
Faulty APS, ignition voltage or
internal
controller | | |
MODE 6
|
NORMAL
|
Normal
|
|
[Throttle Position Sensor]
Throttle
Angle(°)
|
Output
Voltage(V) [Vref = 5.0V]
|
TPS1
|
TPS2
|
0°
|
0
|
5.0
|
10°
|
0.5
|
4.5
|
20°
|
0.9
|
4.1
|
30°
|
1.4
|
3.6
|
40°
|
1.8
|
3.2
|
50°
|
2.3
|
2.7
|
60°
|
2.7
|
2.3
|
70°
|
3.2
|
1.8
|
80°
|
3.6
|
1.4
|
90°
|
4.1
|
0.9
|
100°
|
4.5
|
0.5
|
110°
|
5.0
|
0
|
Item
|
Sensor
Resistance
|
TPS1
|
4.0 ~ 6.0kΩ at 20°C (68°F)
|
TPS2
|
2.72 ~ 4.08kΩ at 20°C
(68°F)
|
[ETC Motor]
Item
|
Sensor
Resistance
|
Coil Resistance (Ω)
|
1.275 ~ 1.725Ω at 20°C
(68°F)
|
