DTC P0121 TP SENSOR
EC-163
[KA24DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Diagnostic Procedure
UBS00D35
1.
INSPECTION START
Which malfunction A or B is duplicated?
Type A or B
Type A >> GO TO 4.
Type B >> GO TO 2.
2.
ADJUST THROTTLE POSITION SENSOR
1.
Check the following items. Refer to
EC-74, "Basic Inspection"
.
>> GO TO 3.
3.
CHECK INTAKE SYSTEM
Check the following for connection.
●
Air duct
●
Air cleaner
●
Vacuum hoses
●
Intake air passage between air duct to intake manifold collector
OK or NG
OK
>> GO TO 4.
NG
>> Reconnect the parts.
TER-
MINAL
NO.
WIRE
COLOR
ITEM
CONDITION
DATA (DC Voltage)
23
L
Throttle position sensor
[Ignition switch: ON]
●
Warm-up condition
●
Accelerator pedal is fully released
0.2 - 0.8V
[Ignition switch: ON]
●
Accelerator pedal is fully depressed
3.5 - 4.5V
42
BR
Sensor power supply
[Ignition switch: ON]
Approximately 5V
43
B/W
Sensor ground
[Engine is running]
●
Idle speed
Approximately 0V
MALFUNCTION
Type
A
A
B
B
Items
Specifications
Ignition timing
20
° ± 2° BTDC
Base idle speed
750
± 50 rpm (in P or N position)
Closed throttle position switch idle position adjustment
Feeler gauge thickness and switch condition
0.1 mm (0.004 in): ON
0.3 mm (0.012 in): OFF
Target idle speed
800
± 50 rpm (in P or N position)