Mitsubishi Lancer (4A9 engine). Manual — part 152
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-270
Tool
Number
Name
Use
MB991955
a. MB991824
b. MB991827
c. MB991910
d. MB991911
e. MB991825
f. MB991826
M.U.T.-III sub-
assembly
a. Vehicle
communication
interface (V.C.I.)
b. M.U.T.-III USB
cable
c. M.U.T.-III main
harness A (for
vehicles with CAN
communication)
d. M.U.T.-III main
harness B (for
vehicles without
CAN
communication)
e. Measuring adapter
harness
f. M.U.T.-III trigger
harness
CAUTION
For vehicles with CAN
communication, use M.U.T.-III
main harness A to send the
simulated vehicle speed. If you
connect M.U.T.-III main harness
B instead, CAN communication
does not function correctly.
M.U.T.-III diagnosis code display,
service data display
MB991223
a. MB991219
b. MB991220
c. MB991221
d. MB991222
Wiring harness set
a. Check harness
b. LED harness
c. LED harness
adapter
d. Probe
Continuity check and voltage
measurement at wiring harness or
connector
a. For checking connector pin
contact pressure
b. For checking power supply
circuit
c. For checking power supply
circuit
d. For connecting a locally
sourced tester
MB991910
MB991826
MB991955
MB991911
MB991824
MB991827
MB991825
a
b
c
d
e
f
DO NOT USE
MB991223
a
d
c
b
DO NOT USE
BA
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-271
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING
M1542301100020
Refer to GROUP 00
− Contents of troubleshooting .
TROUBLE SYMPTOM CHART
M1542300800093
MB992006
Extra fine probe
Continuity check and voltage
measurement at wiring harness or
connector
Tool
Number
Name
Use
MB992006
Trouble symptom
Inspection
Procedure No.
Reference
page
The accessory socket does not work. <Vehicles with accessory
socket>
1
The cigar lighter does not work.<Vehicles with cigar lighter>
2
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-272
SYMPTOM PROCEDURES
Inspection Procedure 1: The accessory socket does not work. <Vehicles with accessory socket>
CAUTION
Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communica-
tion circuit are normal.
Accessory Socket 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
IGNITION
SWITCH (ACC)
ACCESSORY
SOCKET
FRONT FLOOR
CONSOLE
ACCESSORY
SOCKET
REAR FLOOR
CONSOLE
FUSIBLE
LINK
37
42
: DIESEL
PETROL
:
VEHICLES WITH ACCESSORY SOCKET
(REAR FLOOR CONSOLE)
:
NOTE
ACCESSORY SOCKET AND CIGARETTE LIGHTER
CHASSIS ELECTRICAL
54A-273
OPERATION
When the ignition switch is in the ON or ACC posi-
tion, the accessory socket can be used.
NOTE: The maximum load of accessory socket is
120 W.
COMMENTS ON TROUBLE SYMPTOM
If the accessory socket cannot be used even when
the ignition switch is in the ON or ACC position,
ETACS-ECU, accessory socket itself, or accessory
socket power supply circuit may have a problem.
PROBABLE CAUSES
• Malfunctions of accessory socket (front floor con-
sole)
• Malfunctions of accessory socket (rear floor con-
sole) <vehicles with accessory socket (rear floor
console)>
• 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. Connector check: C-315 ETACS-ECU
connector, C-51 accessory socket (front floor
console) connector, C-18 accessory socket (rear
floor console) connector <vehicles with
accessory socket (rear console)>
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Repair the defective connector.
STEP 4. Voltage 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 at the
wiring harness-side connector.
(2) Turn the ignition switch to the "ACC" or "ON"
position.
ACA00921
Connectors: C-18, C-51 <LHD>
AB
C-51
C-18
ACA00923
Connectors: C-18, C-51 <RHD>
AB
C-51
C-18
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
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