Mitsubishi Outlander XL. Manual — part 1046
ZC6008780006
Connector: C-317
TECHNICAL DESCRIPTION (COMMENT)
If there is an error to the ignition switch (IG1) input
signal, or the IG1 relay inside the ETACS-ECU does
not operate, the ignition switch (IG1) signal is no
longer output to the communication line.
TROUBLESHOOTING HINTS
⦆
The ignition switch may be defective
⦆
The ETACS-ECU may be defective
⦆
The fuse may be defective
⦆
The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
pushed back in the connector
DIAGNOSIS
Required Special Tools:
⦆
MB991223: Harness Set
⦆
MB992006: Extra Fine Probe
STEP 1. Check ETACS-ECU connector C-317 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is ETACS-ECU connector C-317 in good condition?
YES:
Go to Step 2.
NO:
Repair or replace the damaged component(s). Refer to
GROUP 00E, Harness Connector Inspection P.00E-2. Check
that the input signal of ignition switch (IG1) is normal.
STEP 2. Check the ignition switch (IG1) line of the power
supply circuit to the ETACS-ECU. Measure the voltage at
ETACS-ECU connector C-317.
(1)
Disconnect ETACS-ECU connector C-317 and measure the
voltage available at the junction block side of the connector.
(2)
Turn the ignition switch to the "ON" position.
ZC6022230001
Connector C-317
(Harness side)
(3)
Measure the voltage between terminal 6 and ground.
⦆
The voltage should measure approximately 12 volts
(battery positive voltage).
Q:Is the measured voltage approximately 12 volts (battery
positive voltage)?
YES:
Replace the ETACS-ECU. Check that the input signal
of ignition switch (IG1) is normal.
NO:
Go to Step 3.
STEP 3. Check the wiring harness between ETACS-ECU
connector C-317 (terminal 6) and the ignition switch (IG1).
Q:Is the wiring harness between ETACS-ECU connector
C-317 (terminal 6) and ignition switch (IG1) in good
condition?
ETACS
54Ad-63
DIAGNOSIS
YES:
No action is necessary and testing is complete.
NO:
The wiring harness may be damaged or the connector
(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the input signal of
ignition switch (IG1) is normal.
Inspection Procedure 3: ETACS-ECU does not receive any signal from the key reminder
switch.
M15410600030USA0000010000
Key Reminder Switch Input Circuit
ETACS-
ECU
KEY REMINDER
SWITCH
WHEN KEY IS
REMOVED: ON
ZC6008770005
Connector: C-211
ZC6008780017
Connector: C-315
COMMENTS ON TROUBLE SYMPTOM
The key reminder switch input signal is used for the
operation judgment of the functions below. If the
signal is abnormal, these functions will not work.
⦆
Ignition key reminder function
⦆
Central door locking
⦆
Keyless entry system
⦆
KOS
54Ad-64
ETACS
DIAGNOSIS
⦆
Ignition key cylinder illumination light
⦆
Interior light
TROUBLESHOOTING HINTS
⦆
The key reminder switch may be defective
⦆
The ETACS-ECU may be defective
⦆
The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
pushed back in the connector
DIAGNOSIS
Required Special Tools:
⦆
MB991223: Harness Set
⦆
MB992006: Extra Fine Probe
STEP 1. Check key reminder switch connector C-211 for
loose, corroded or damaged terminals, or terminals pushed
back in the connector.
Q:Is key reminder switch connector C-211 in good
condition?
YES:
Go to Step 2.
NO:
Repair or replace the damaged component(s). Refer to
GROUP 00E, Harness Connector Inspection P.00E-2. Check
that the input signal of key reminder switch is normal.
STEP 2. Check the key reminder switch.
Disconnect key reminder switch connector C-211. Then check
continuity between terminals.
Ignition key
Tester connection Specified
condition
Removed
2 - 3
Open circuit
Inserted
2 - 3
Less than 2 ohms
Q:Is the key reminder switch in good condition?
YES:
Go to Step 3.
NO:
Replace the key reminder switch. Check that the input
signal of key reminder switch is normal.
STEP 3. Check the ground circuit to the key reminder
switch. Measure the resistance at key reminder switch
connector C-211.
(1)
Disconnect key reminder switch connector C-211 and
measure the resistance available at the wiring harness side
of the connector.
ZC6022220002
Connector C-211
(Harness side)
(2)
Measure the resistance value between terminal 2 and
ground.
⦆
The resistance should be 2 ohms or less.
Q:Is the measured resistance 2 ohms or less?
YES:
Go to Step 5.
NO:
Go to Step 4.
ETACS
54Ad-65
DIAGNOSIS
STEP 4. Check the wiring harness between key reminder
switch connector C-211 (terminal 2) and ground.
Q:Is the wiring harness between key reminder switch
connector C-211 (terminal 2) and ground in good
condition?
YES:
No action is necessary and testing is complete.
NO:
The wiring harness may be damaged or the connector
(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the input signal of key
reminder switch is normal.
STEP 5. Check ETACS-ECU connector C-315 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q:Is ETACS-ECU connector C-315 in good condition?
YES:
Go to Step 6.
NO:
Repair or replace the damaged component(s). Refer to
GROUP 00E, Harness Connector Inspection P.00E-2. Check
that the input signal of key reminder switch is normal.
STEP 6. Check the wiring harness between key reminder
switch connector C-211 (terminal 3) and ETACS-ECU
connector C-315 (terminal 13).
Q:Is the wiring harness between key reminder switch
connector C-211 (terminal 3) and ETACS-ECU connector
C-315 (terminal 13) in good condition?
YES:
Go to Step 7.
NO:
The wiring harness may be damaged or the connector
(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the input signal of key
reminder switch is normal.
STEP 7. Check for continuity between key reminder switch
connector C-211 terminal 2 and each of the other terminals
as well as terminal 3 and each of the other terminals.
(1)
Disconnect key reminder switch connector C-211 and
measure the resistance available at the equipment side of
the connector.
(2)
Check for continuity between key reminder switch connector
C-211 terminal 2 and each of the other terminals as well as
terminal 3 and each of the other terminals.
Q:Does continuity exist between the terminals?
NO:
Replace the ETACS-ECU. Check that the input signal
of key reminder switch is normal.
YES:
Replace the key reminder switch. Check that the
input signal of key reminder switch is normal.
54Ad-66
ETACS
DIAGNOSIS
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