
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)
|
