MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-1034
INSPECTION PROCEDURE 24: Purge Flow Test of the Evaporative Emission Canister Failure.
.
COMMENT
• The test fails when the purge line or purge port is
clogged or if the evaporative emission purge
solenoid fails.
.
TROUBLESHOOTING HINTS (The most
likely causes for this case:)
• Purge line or purge port is clogged.
• Malfunction of the evaporative emission purge
solenoid.
• Evaporative emission canister is clogged.
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, read the diagnostic
trouble code (DTC).
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) Read the DTC.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?
YES : Refer to Diagnostic Trouble Code Chart
P.13A-33
.
NO : Refer to GROUP 17, Emission Control System
−
Purge Control System Check (Purge Flow Check)
P.17-86
.
AK303804AB
MB991910
DATA LINK
CONNECTOR
MB991824
MB991827