Mitsubishi MOTORS L200 1996, Workshop Manual

Page: 521 / 1723

DIESEL FUEL <4D5-Step
III
> – Troubleshooting
13I-10
INSPECTION PROCEDURE FOR DIAGNOSIS CODE
Code No. 11 Accelerator pedal position sensor (main)
system Probable cause
Range of Check
D
Ignition switch: ON, accelerator pedal position sensor (sub) operative, except
for during engine cranking
Set Conditions
D
Accelerator pedal position sensor output voltage for 1 second
Sub side: 0.2 V or higher, lower than 2.5 V
Main side: 4.5 V or higher
or
Sub or main: Lower than 0.2 V
Range of Check
D
Ignition switch: ON, except for during engine cranking
Set Conditions
D
The output voltage of accelerator pedal position sensor (main and sub) for
0.2 second is 0.2 V or higher, or lower than 4.5 V and the difference in
sensor output voltage between the main and sub is 1 V or higher, or idle
switch: ON, and sensor main output voltage is 1.875 V or higher.
D
Accelerator pedal position sensor inoperative
D
Accelerator pedal position sensor open circuit,
short circuit, or connector contact inoperative
D
Engine-ECU inoperative
OK
Replace the engine-ECU.
Check the harness between the engine-ECU
and the accelerator pedal position sensor
connector.
NG
Repair
NG
OK
Check the trouble symptoms.
Replace the engine-ECU.
NG
OK
Replace the engine-ECU.
Repair
NG
NG
Check the harness between the
engine-ECU and the accelerator pedal
position sensor connector.
OK
Check the trouble symptoms.
OK
Measure at C-122 accelerator pedal position
sensor connector
D
Disconnect the connector and measure
at the harness side.
D
Voltage between 2 and earth
(Ignition switch: ON)
OK: 4.5 – 5.5 V
D
Continuity between 1 and earth
OK: Continuity
NG
Check the following connectors:
C-97, C-115
NG
Repair
OK
NG
Accelerator pedal position sensor check
(Refer to P.13I-59.)
Replace
Check the trouble symptoms.
NG NG
Repair Check the following connectors:
C-97, C-115, C-122
OK
Check the following connector: C-97
NG
Repair
OK
Measure at C-97 engine-ECU connector
D
Connect the connector.
D
Voltage between 84 and the earth
(Ignition switch: ON)
OK: 0.9 – 1.1 V
(Throttle lever idling position)
4.1 V or higher
(Throttle lever fully opened position)