Mitsubishi Lancer (4A9 engine). Manual — part 153
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-274
(3) Voltage between C-51 accessory socket (front
floor console) connector terminal No.2 and the
body earth
OK: System voltage
(4) Voltage between C-18 accessory socket (rear
floor console) connector terminal No.2 and the
body earth <vehicles with accessory socket (rear
floor console)>
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 7.
NO <accessory socket (front floor console) side> :
Go to Step 5.
NO <accessory socket (rear floor console) side> :
Go to Step 6.
STEP 5. Check the wiring harness between C-51
accessory socket (front floor console) connector
terminal No.2 and C-315 ETACS-ECU connector
terminal No.3.
• Check the power supply lines (battery power sup-
ply) for open circuit and short circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
STEP 6. Check the wiring harness between C-18
accessory socket (rear floor console) connector
terminal No.2 and C-315 ETACS-ECU connector
terminal No.11.
• Check the power supply lines (battery power sup-
ply) for open circuit and short circuit.
NOTE: Check C-19 intermediate connector, and
repair if necessary.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
STEP 7. Resistance measurement at C-51
accessory socket (front floor console) connector
and C-18 accessory socket (rear floor console)
connector <vehicles with accessory socket (rear
floor console)>.
(1) Disconnect the connector, and measure the
resistance available at the wiring harness side of
the connector.
(2) Check the continuity between C-51 accessory
socket (front floor console) connector terminal
No.1 and the body earth.
OK: Continuity exists (2 ohms or less)
(3) Check the continuity between C-18 accessory
socket (rear floor console) connector terminal
No.1 and the body earth. <vehicles with
accessory socket (rear floor console)>
OK: Continuity exists (2 ohms or less)
Q: Is the check result normal?
YES :
Go to Step 10.
NO <accessory socket (front floor console) side> :
Go to Step 8.
NO <accessory socket (rear floor console) side> :
Go to Step 9.
STEP 8. Check the wiring harness between C-51
accessory socket (front floor console) connector
terminal No.1 and body earth.
• Check the body earth wires for open circuit.
Q: Is the check result normal?
YES :
Go to Step 10.
NO :
Repair the wiring harness.
STEP 9. Check the wiring harness between C-18
accessory socket (rear floor console) connector
terminal No.1 and body earth.
• Check the body earth wires for open circuit.
NOTE: Check C-19 intermediate connector, and
repair if necessary.
Q: Is the check result normal?
YES :
Go to Step 10.
NO :
Repair the wiring harness.
STEP 10. Retest the system
Check if the accessory socket power is turned ON.
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 :
Replace the accessory socket.
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-275
Inspection Procedure 2: The cigarette lighter does not work.<Vehicles with cigarette lighter>
CAUTION
Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communica-
tion circuit are normal.
IGNITION
SWITCH (ACC)
FUSIBLE
LINK
37
42
NOTE
PETROL
:
DIESEL
:
Cigarette Lighter Circuit
ETACS-ECU
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple SI : Silver
ACC
RELAY 2
CIGARETTE
LIGHTER
ACA00921
Connector: C-21 <LHD>
AC
ACA00923
Connector: C-21 <RHD>
AC
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-276
OPERATION
When the ignition switch is in the ON or ACC posi-
tion, the cigarette lighter can be used.
COMMENTS ON TROUBLE SYMPTOM
If the cigarette lighter cannot be used even when the
ignition switch is in the ON or ACC position, ETACS-
ECU, cigarette lighter itself, or cigarette lighter power
supply circuit may have a problem.
PROBABLE CAUSES
• Malfunctions of cigarette lighter
• Malfunction of the ETACS-ECU
• Damaged harness wires and connectors
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III other system diagnosis code
Check if the diagnosis code is set to the ETACS-
ECU.
Q: Is the check result normal?
YES :
Troubleshoot the ETACS-ECU. Refer to
ETACS-ECU
− Troubleshooting .
NO :
Go to Step 2.
STEP 2. M.U.T.-III other system data list
Check the input signal of ACC relay. (ETACS-ECU)
• Turn the ignition switch to the ACC position.
OK: Normal condition is displayed.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Refer to ETACS
− Input Signal Procedure 1
"The ignition switch (ACC) signal is not sent
to the ETACS-ECU" .
STEP 3. Cigarette lighter check
Refer to .
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Replace the cigarette lighter. Go to Step 4.
STEP 4. Connector check: C-315 ETACS-ECU
connector, C-21 cigarette lighter connector
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Repair the defective connector.
STEP 5. Voltage measurement at C-21 cigarette
lighter connector.
(1) Disconnect the connector, and measure at the
wiring harness-side connector.
(2) Turn the ignition switch to the ACC position.
(3) Voltage between C-21 cigarette lighter connector
terminal No.2 and the body earth
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 6.
STEP 6. Check the wiring harness between C-21
cigarette lighter connector terminal No.2 and C-
315 ETACS-ECU connector terminal No.3.
• Check the power supply lines (battery power sup-
ply) for open circuit and short circuit.
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Repair the wiring harness.
STEP 7. Resistance measurement at C-21
cigarette lighter connector.
(1) Disconnect the connector, and measure the
ACA00886
AN
Connector: C-315 <LHD>
ETACS-ECU
ACA00887
AL
Connector: C-315 <RHD>
ETACS-ECU
Item No.
Item name
Normal
condition
Item 288
ACC switch
ON
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-277
resistance available at the wiring harness side of
the connector.
(2) Check the continuity between terminal No.1 and
body earth.
OK: Continuity exists (2 ohms or less)
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Go to Step 8.
STEP 8. Check the wiring harness between C-21
cigarette lighter connector terminal No.1 and
body earth.
• Check the body earth wires for open circuit.
Q: Is the check result normal?
YES :
Go to Step 9.
NO :
Repair the wiring harness.
STEP 9. Retest the system
Check that the cigarette lighter operates normally.
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 :
Replace the cigarette lighter.
REMOVAL AND INSTALLATION
M1542301400195
CIGAR LIGHTER <FLOOR CONSOLE PANEL ASSEMBLY>
CIGAR LIGHTER <INSTRUMENT PANEL CENTRE LOWER ASSEMBLY>
Pre-removal operation
• Removal of floor console panel assembly (Refer to
GROUP 52A
− Floor Console Assembly )
Post-installation operation
• Installation of floor console panel assembly (Refer to
GROUP 52A
− Floor Console Assembly )
AC705689
AC707557AB
1
Removal Steps
1.
Cigar lighter
Pre-removal operation
• Removal of Instrument panel centre lower (Refer to
GROUP 52A
− Instrument centre panel )
Post-installation operation
• Installation of Instrument panel centre lower (Refer to
GROUP 52A
− Instrument centre panel )
AC802457
4
2
3
1
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