Mitsubishi 380. Manual — part 343
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-40
STEP 6. Measure the power supply voltage at stoplamp
switch connector C-30 by backprobing.
(1) Disconnect stoplamp switch connector C-30.
(2) Measure the power supply voltage between stoplamp
switch connector C-30 terminal 2 and ground.
(3) Reconnect stoplamp switch connector C-30.
Q: Is the measured voltage battery positive voltage
(approximately 12 volts)?
YES : Go to Step 10.
NO : Go to Step 7.
STEP 7. Check stoplamp switch connector C-30 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Are the connector and terminals in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged components. (Refer to
GROUP 00E, Harness Connector Inspection
17DB045A
CONNECTOR: C-30
C-30
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
AC305712AB
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
17DB045A
CONNECTOR: C-30
C-30
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-41
STEP 8. Check the harness wire between stoplamp switch
connector C-30 terminal 2 and fuse number 11 at the relay
box at engine compartment for damage.
Q: Is the harness wire in good condition?
YES : Go to Step 9.
NO : Repair the damaged harness wire. Then go to Step
22.
STEP 9. Check the fuse number 11 at the relay box at
engine compartment.
Q: Is the fuse in good condition?
YES : Go to Step 10.
NO : Check the stoplamp system harness and replace the
fuse. Then go to Step 22.
17DB045A
CONNECTOR: C-30
C-30
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
AC305713AB
BATTERY
RELAY BOX
FUSE NUMBER 11
(HOUSING COLOR:
BLUE)
AC305713AB
BATTERY
RELAY BOX
FUSE NUMBER 11
(HOUSING COLOR:
BLUE)
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-42
STEP 10. Check the stoplamp switch.
(1) Remove the stoplamp switch. (Refer to GROUP 35A, Brake
Pedal
).
(2) Connect an ohmmeter to the stoplamp switch between
terminals 1 and 2.
(3) Check for continuity between the terminals when the
plunger of the stoplamp switch is pushed in and when it is
released.
(4) The stoplamp switch is operating properly if the circuit is
open between terminals 1 and 2 when the plunger is
released, and if the resistance value is less than 2 ohms
between terminals 1 and 2 when it is pushed in.
Q: Is the stoplamp switch operating properly?
YES : Install the stoplamp switch. (Refer to GROUP 35A,
Brake Pedal
). Then go to Step 11.
NO : Replace the stoplamp switch. (Refer to GROUP 35A,
Brake Pedal
). Then go to Step 22.
STEP 11. Check stoplamp switch connector C-30 and joint
connector (1) C-01 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?
YES : Go to Step 12.
NO : Repair or replace the damaged components. (Refer to
GROUP 00E, Harness Connector Inspection
ACX02256AL
C-30 STOPLIGHT SWITCH
CONNECTOR
AC205057
CONTINUITY
NO
CONTINUITY
4.0 mm (0.16 in)
AB
17DB043A
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
C-30
CONNECTOR: C-30
AUTO-CRUISE CONTROL
ENGINE AND EMISSION CONTROL
17-43
STEP 12. Check the harness wire between stoplamp
switch connector C-30 terminal 1 and Engine-ECU
connector B-21 terminal 18 for damage.
Q: Is the harness wire in good condition?
YES : Go to Step 13.
NO : Repair the damaged harness wire. Then go to Step
22.
17DB045A
CONNECTOR: C-30
C-30
C-30 HARNESS
CONNECTOR:
COMPONENT SIDE
10DB133A
COVER
ENGINE
CONTROL
UNIT
AIR
CLEANER
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