Mitsubishi Galant 9G. Manual — part 128
INPUT SIGNAL PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-508
STEP 3. Check the rear door switch (LH).
Remove the rear door switch (LH). Refer to GROUP 42, Door,
Door Assembly
. Then check continuity between the
switch terminals and the body ground.
Q: Is the rear door switch (LH) in good condition?
YES : Go to Step 4.
NO : Replace the rear door switch (LH). If the functions
described in "CIRCUIT OPERATION" work normally,
the input signal from the rear door switch (LH) should
be normal.
STEP 4. Measure resistance at the lower metal part of the
rear door switch (LH) in order to check the ground circuit
to the rear door switch (LH).
NOTE: Check that the rear door switch (LH) is grounded to the
vehicle body via its mounting screw.
Remove the cap, and measure the resistance value between
the lower metal part and ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 5.
NO : Check the installation of the switch, and repair if
necessary. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
rear door switch (LH) should be normal.
STEP 5. Check ETACS-ECU connector C-219 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-219 in good condition?
YES : Go to Step 6.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
rear door switch (LH) should be normal.
SWITCH
POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
Released (ON)
1
− body ground
Less than 2 ohms
Pressed (OFF)
1
− body ground
Open circuit
1 2 3
ACX01865 AC
ON
OFF
AC210276AB
METAL PART
CUP
AC305413 AG
CONNECTOR: C-219
JUNCTION BLOCK SIDE
JUNCTION BLOCK
(REAR VIEW)
INPUT SIGNAL PROCEDURES
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SIMPLIFIED WIRING SYSTEM (SWS)
54B-509
STEP 6. Check the wiring harness between rear door
switch (LH) connector D-16 (terminal 1) and ETACS-ECU
connector C-219 (terminal 7).
NOTE: Also check junction block connector C-204 for loose,
corroded, or damaged terminals, or terminals pushed back in
the connector. If junction block connector C-204 is damaged,
repair or replace the damaged component(s) as described in
GROUP 00E, Harness Connector Inspection
Q: Is the wiring harness between rear door switch (LH)
connector D-16 (terminal 1) and ETACS-ECU connector
C-219 (terminal 7) in good condition?
YES : Replace the ETACS-ECU. If the functions described
in "CIRCUIT OPERATION" work normally, the input
signal from the rear door switch (LH) should be
normal.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. If the
functions described in "CIRCUIT OPERATION" work
normally, the input signal from the rear door switch
(LH) should be normal.
AC305413 AG
CONNECTOR: C-219
JUNCTION BLOCK SIDE
JUNCTION BLOCK
(REAR VIEW)
AC400532
AJ
CONNECTOR: D-16
HARNESS SIDE
AC305415AJ
CONNECTOR: C-204
HARNESS SIDE
JUNCTION BLOCK
(FRONT VIEW)
INPUT SIGNAL PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-510
STEP 7. Check rear door switch (RH) connector D-06 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is rear door switch (RH) connector D-06 in good
condition?
YES : Go to Step 8.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
rear door switch (RH) should be normal.
STEP 8. Check the rear door switch (RH).
Remove the rear door switch (RH). Refer to GROUP 42, Door,
Door Assembly
. Then check continuity between the
switch terminals and the body ground.
Q: Is the rear door switch (RH) in good condition?
YES : Go to Step 9.
NO : Replace the rear door switch (RH). If the functions
described in "CIRCUIT OPERATION" work normally,
the input signal from the rear door switch (RH) should
be normal.
STEP 9. Measure resistance at the lower metal part of the
rear door switch (RH) in order to check the ground circuit
to the rear door switch (RH).
NOTE: Check that the rear door switch (RH) is grounded to the
vehicle body via its mounting screw.
Remove the cap, and measure the resistance value between
the lower metal part and ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 10.
NO : Check the installation of the switch, and repair if
necessary. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
rear door switch (RH) should be normal.
AC400530
AO
CONNECTOR: D-06
HARNESS SIDE
SWITCH
POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
Released (ON)
1
− body ground
Less than 2 ohms
Pressed (OFF)
1
− body ground
Open circuit
1 2 3
ACX01865 AC
ON
OFF
AC210276AB
METAL PART
CUP
INPUT SIGNAL PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-511
STEP 10. Check ETACS-ECU connector C-217 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is ETACS-ECU connector C-217 in good condition?
YES : Go to Step 11.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. If the functions described in "CIRCUIT
OPERATION" work normally, the input signal from the
rear door switch (RH) should be normal.
STEP 11. Check the wiring harness between rear door
switch (RH) connector D-06 (terminal 1) and ETACS-ECU
connector C-217 (terminal 35).
AC305413AH
CONNECTOR: C-217
HARNESS SIDE
25
26
27
28
29
21
22
23
24
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
JUNCTION BLOCK
(REAR VIEW)
AC305413AH
CONNECTOR: C-217
HARNESS SIDE
25
26
27
28
29
21
22
23
24
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
JUNCTION BLOCK
(REAR VIEW)
AC400530
AO
CONNECTOR: D-06
HARNESS SIDE
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