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Mitsubishi Galant (2004+). Manual - part 1015
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-877
Check Conditions
• Ignition switch is "ON" position.
Judgement Criteria
• Accelerator pedal position sensor (main) output
voltage should be 4.8 volts or higher for 0.3 sec-
ond.
.
OBD-II DRIVE CYCLE PATTERN
None.
.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
• Accelerator pedal position sensor failed.
• Open accelerator pedal position sensor (main)
circuit, harness damage or connector damage.
• PCM failed.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan tool (MUT-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: USB Cable
• MB991910: Main Harness A
STEP 1. Using scan tool MB991958, check data list item 78:
Accelerator Pedal Position Sensor (main).
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK"(OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the data reading mode for item
78, Accelerator Pedal Position Sensor (main).
• Output voltage is between 0.7 and 1.3 volts when foot is
released from accelerator pedal.
• Output voltage is 4.0 volts or higher when accelerator
pedal is fully depressed.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is the sensor operating properly?
YES : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use
Troubleshooting/Inspection. Service Points
.
NO : Go to Step 2.
AK303804AB
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827