MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-759
STEP 2. 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 any DTC set?
YES : Refer to Diagnostic Trouble Code Chart
P.13A-49
.
NO : Go to Step 3.
STEP 3. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
NOTE: When the CVT has a malfunction, the TCM might out-
put the request signal of reducing the engine torque in order to
protect the CVT.
(1) Turn the ignition switch to the "ON" position.
(2) Read the TCM-DTC.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the TCM-DTC set?
YES : Refer to GROUP 23A, Diagnosis
− Diagnostic
Trouble Code Chart
P.23A-29
.
NO : Go to Step 4 .
STEP 4. Using scan tool MB991958, check actuator test
item 1: injector.
(1) Turn the ignition switch to the "ON" position.
(2) Test Reference Table
P.13A-838
.
a. Item 1: Injector.
(3) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Are thy operating properly?
YES : Go to Step 5.
NO : Repair or replace it. Then confirm that the malfunction
symptom is eliminated.
AK700568AB
MB991824
MB991827
MB991910
Data link
connector