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

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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

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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

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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.

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ETACS

DIAGNOSIS