Mitsubishi Grandis. Manual — part 385
CENTRE DISPLAY
CHASSIS ELECTRICAL
54A-159
COMMENTS ON TROUBLE SYMPTOM
If the system does not communicate with the MUT-III,
power supply to the diagnosis connector or CAN bus
lines may be defective.
POSSIBLE CAUSES
• Damaged harness wires and connectors
DIAGNOSIS CONNECTOR
FRONT SIDE
ENGINE-ECU<M/T>
OR
ENGINE-A/T-ECU<A/T>
CENTER DISPLAY
CPU
COMBINATION
METER
NOTE
: LHD
: RHD
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
Center Display CAN-BUS Line Circuit
CENTRE DISPLAY
CHASSIS ELECTRICAL
54A-160
DIAGNOSTIC PROCEDURE
Step 1. Check that the engine-ECU <M/T> or the
engine-A/T-ECU <A/T> communicates with the
MUT-III.
Check that the MUT-III communicates with the
engine-ECU <M/T> or the engine-A/T-ECU when the
MUT-III is operated..
Q: Is the check result satisfactory?
YES :
Go to Step 2.
NO :
Diagnose the MPI system (Refer to GROUP
13A, Troubleshooting
Step 2. MUT-III CAN bus diagnostics
Use the MUT-III to diagnose the CAN bus lines.
Q: Is the check result satisfactory?
YES :
Diagnose the power supply circuit. Refer to
NO :
Repair the CAN bus lines (Refer to GROUP
54D, Diagnosis
− Can Bus Diagnostics
Table
).
CENTRE DISPLAY
CHASSIS ELECTRICAL
54A-161
INSPECTION PROCEDURE 2: Check the centre display power supply circuit.
COMMENTS ON TROUBLE SYMPTOM
The earth circuit, the ignition switch (ACC) circuit or
the ignition switch (IG1) circuit is suspected to be
open or defective.
POSSIBLE CAUSES
• Malfunction of the centre display unit
• Damaged wiring harness and connectors
RELAY
BOX
RELAY
BOX
CENTER
DISPLAY
NOTE
: LHD
: RHD
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet
FUSIBLE
LINK
IGNITION
SWITCH (IG1)
IGNITION
SWITCH (ACC)
26
Centre Display Power Supply Circuit
CENTRE DISPLAY
CHASSIS ELECTRICAL
54A-162
DIAGNOSTIC PROCEDURE
Step 1. Check the following connector: C-06
Centre display connector
Q: Is the check result normal?
YES :
Go to Step 2.
NO :
Repair the defective connector.
Step 2. Measure the voltage at C-06 multi-centre
display connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Ignition switch: LOCK (OFF) position
(3) Voltage between C-06 centre display connector
terminal No.26 and body earth
OK: Battery voltage
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Go to Step 3.
AC310613
Harness side
BH
Connector: C-06 <LHD>
C-06 (B)
AC310631
Harness side
BC
Connector: C-06 <RHD>
C-06 (B)
AC310613
Harness side
BH
Connector: C-06 <LHD>
C-06 (B)
AC310631
Harness side
BC
Connector: C-06 <RHD>
C-06 (B)
AC310507DO
Connector C-06
(Harness side)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст