Mitsubishi Outlander (2013+). Manual - part 664
REAR COMBINATION LAMP
CHASSIS ELECTRICAL
54A-141
Inspection Procedure 2: The stop lamps do not illuminate or go out normally.
COMMENTS ON TROUBLE SYMPTOM
If the stop lamps do not illuminate or go out normally,
the stop lamp switch input signal circuit, or the stop
lamps may be defective.
PROBABLE CAUSES
• Malfunction of stop lamp switch input signal cir-
cuit
• Malfunction of stop lamps
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III data list
Temporarily replace the stop lamp relay, and then
depress the brake pedal.
Item No.
Item name
Normal
condition
Item 290
Stop lamp switch
ON
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Troubleshoot the ETACS-ECU. Refer to
Inspection Procedure 12 "The stop lamp
switch signal is not received."
STEP 2. Check the bulb of the stop lamps
Check the bulb of the defective lamps.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Replace the bulb of the defective lamps.
STEP 3. Resistance measurement at the stop
lamp connectors (earth terminals).
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Measure the resistance between the rear
combination lamp (LH) connector (earth terminal)
and body earth.
OK: Continuity exists (2
Ω or less)
(3) Measure the resistance between the rear
combination lamp (RH) connector (earth
terminal) and body earth.
OK: Continuity exists (2
Ω or less)
(4) Measure the resistance between the
high-mounted stop lamp connector (earth
terminal) and body earth.
OK: Continuity exists (2
Ω or less)
Q: Is the check result normal?
YES :
The trouble can be an intermittent
malfunction (Refer to GROUP 00
− How to
use Troubleshooting/inspection Service
Points
− How to Cope with Intermittent
Malfunction ).
NO :
Go to Step 4.
STEP 4. Check of open circuit in earth line
between the rear combination lamp (LH)
connector, rear combination lamp (RH)
connector, high-mounted stop lamp connector
and body earth.
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the connector(s) or wiring harness.
STEP 5. Voltage measurement at stop lamp
connectors (power supply terminals).
(1) Remove the front fog lamp relay, and measure at
the relay box side.
(2) Check the voltage between the rear combination
lamp (LH) connector (power supply terminal) and
body earth.
OK: System voltage
(3) Check the voltage between the rear combination
lamp (RH) connector (power supply terminal) and
body earth.
OK: System voltage
(4) Check the voltage between the high-mounted
stop lamp connector (power supply terminal) and
body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
STEP 6. Check of short to power supply, short to
earth, and open circuit in STLO line between
ETACS-ECU connector and rear combination
lamp (LH) connector, rear combination lamp (RH)
connector, high-mounted stop lamp connector.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the connector(s) or wiring harness.