Mitsubishi Outlander XL. Manual — part 358
this code to be set are:)
⦆
Throttle actuator control motor relay circuit failed.
⦆
ECM failed.
DIAGNOSIS
Required Special Tools:
⦆
MB991958: Scan Tool (M.U.T.-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).
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before
connecting 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 P1232 set?
YES:
Go to Step 2.
NO:
It can be assumed that this malfunction is
intermittent.Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points - How to Cope
with Intermittent Malfunctions P.00-15.
STEP 2. Using scan tool MB991958, read the diagnostic
trouble code (DTC).
(1)
Turn the ignition switch to the "ON" position.
(2)
After the DTC has been deleted, read the DTC again.
(3)
Turn the ignition switch to the "LOCK" (OFF) position.
Q:Is DTC P0657 set?
YES:
Refer to DTC P0657 - Throttle actuator control motor
relay circuit malfunction P.13Ab-601.
NO:
Replace the ECM. When the ECM is replaced, register
the ID code. Refer to GROUP 42B, ID Code Registration
Judgment Table <Vehicles with KOS> P.42B-12or GROUP
42C, ID Code Registration Judgment Table <Vehicles with
WCM> P.42C-8.
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
13Ab-627
DIAGNOSTIC TROUBLE CODE PROCEDURES
DTC P1233: Throttle Position Sensor (main) Plausibility
M11310100379USA0000010000
TECHNICAL DESCRIPTION
Compare the actual measurement of volumetric
efficiency by a mass airflow sensor signal with
volumetric efficiency estimated from a throttle position
sensor (main) signal.
MONITOR EXECUTION
Continuous
MONITOR EXECUTION CONDITIONS (Other
monitor and Sensor)
Other Monitor (There is no temporary DTC stored in
memory for the item monitored below)
⦆
Not applicable
Sensor (The sensor below is determined to be
normal)
⦆
Not applicable
DTC SET CONDITIONS
Logic Flow Chart
ZK604062 AA00
Start
End
No
No
Yes
Yes
Yes
No
Malfunction
Good
Continuous failure
for specfied time
|Ec-calculated Ec|
> 33%
Monitoring
conditions
Ec: load valve
Check Conditions
⦆
The difference between the actual volumetric
efficiency and the volumetric efficiency estimated
by the (main) throttle position sensor is 0 % or more.
Or, the volumetric efficiency is 60 % or less.
13Ab-628
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
DIAGNOSTIC TROUBLE CODE PROCEDURES
⦆
The engine speed is between 750 and 3,000 r/min.
Or, the (main) throttle position sensor output
voltage is 3 volts or more.
Judgment Criterion
⦆
For 0.4 second, the difference between the actual
volumetric efficiency and the volumetric efficiency
estimated by the (main) throttle position sensor is
33 % or more.
OBD-II DRIVE CYCLE PATTERN
Refer to Diagnostic Function - OBD-II Drive Cycle
Pattern 17 P.13Ab-8.
TROUBLESHOOTING HINTS (The most likely
causes for this code to be set are:)
⦆
Throttle position sensor (main) system failed.
⦆
Intake system vacuum leak.
⦆
ECM failed.
DIAGNOSIS
Required Special Tools:
⦆
MB991958: Scan Tool (M.U.T.-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).
ZC501967
AC404789
ZC5019680000
MB991824
MB991827
MB991910
Data link
connector
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before
connecting 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 diagnostic trouble code other than P1233 set?
YES:
Refer to, Diagnostic Trouble Code Chart P.13Ab-44.
NO:
Go to Step 2.
STEP 2. Using scan tool MB991958, check data list item 13:
Throttle Position Sensor (main).
(1)
Turn the ignition switch to the "ON" position.
(2)
Detach the intake air hose at the throttle body.
(3)
Disconnect the connector of the throttle position sensor.
(4)
Use test harness special tool (MB991658) to connect only
terminals No. 3, No. 4, No. 5, and No. 6.
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
13Ab-629
DIAGNOSTIC TROUBLE CODE PROCEDURES
(5)
Set scan tool MB991958 to the data reading mode for item
13, Throttle Position Sensor (main).
⦆
Output voltage should be between 0.3 and 0.7 volt when
the throttle valve is fully closed with your finger.
⦆
Output voltage should be 4.0 volts or more when the
throttle valve is fully open with your finger.
(6)
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 - How to Cope
with Intermittent Malfunctions P.00-15.
NO:
Go to Step 3.
STEP 3. Check for intake system vacuum leak.
Q:Are there any abnormalities?
YES:
Repair it. Then go to Step 5.
NO:
Go to Step 4.
STEP 4. Check the trouble symptoms.
(1)
Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function - OBD-II Drive Cycle Pattern 17 P.
13Ab-8.
(2)
Check the diagnostic trouble code (DTC).
Q:Is DTC P1233 set?
YES:
Replace the ECM. When the ECM is replaced, register
the ID code. Refer to GROUP 42B, ID Code Registration
Judgment Table <Vehicles with KOS> P.42B-12or GROUP
42C, ID Code Registration Judgment Table <Vehicles with
WCM> P.42C-8. Then go to Step 5.
NO:
It can be assumed that this malfunction is
intermittent. Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points - How to Cope
with Intermittent Malfunctions P.00-15.
STEP 5. Test the OBD-II drive cycle.
(1)
Carry out a test drive with the drive cycle pattern. Refer to
Diagnostic Function - OBD-II Drive Cycle Pattern 17 P.
13Ab-8.
(2)
Check the diagnostic trouble code (DTC).
Q:Is DTC P1233 set?
YES:
Replace the troubleshooting.
NO:
The procedure is complete.
DTC P1234: Throttle Position Sensor (Sub) Plausibility
M11310100380USA0000010000
TECHNICAL DESCRIPTION
Compare the actual measurement of volumetric
efficiency by a mass airflow sensor signal with
volumetric efficiency estimated from a throttle position
sensor (sub) signal.
13Ab-630
MULTIPORT INJECTION SYSTEM (MFI) <DIAGNOSIS>
DIAGNOSTIC TROUBLE CODE PROCEDURES
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