Power door lock actuator circuit inspection SUZUKI GRAND VITARA 2000 2.G Service Workshop Manual
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Page 578 of 801
YH4
GRAND
VITARA
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-23
POWER DOOR LOCK AND KEYLESS ENTRY SYSTEM (IF KEYLESS ENTRY IS
EQUIPPED)
SYSTEM INSPECTION
STEPACTIONYESNO
1Check power door lock operation referring to its
INSPECTION in this section.
Is this operation OK?Go to Step 2.Go to Step 3.
2Check keyless entry operation referring to its
INSPECTION in this section.
Is this operation OK?Go to Step 4.Go to Step 6.
3Check keyless entry operation referring to its
INSPECTION in this section.
Is this operation OK?Go to Step 5.Go to Step 7.
4Check hazard warning lights operation referring to
its INSPECTION in this section.
Is this operation OK?This system is OK.Go to Step 10.
5Check door lock key and power door lock switch
circuit referring to its INSPECTION in this section.
Is this circuit OK?Replace controller and
recheck.
And go to Step 4.Repair circuit referring
to WIRING DIAGRAM
MANUAL and recheck.
And go to Step 4.
6Check ignition switch and door switch circuit
referring to its INSPECTION in this section.
Is this circuit OK?Replace controller and
recheck.
And go to Step 4.Repair circuit referring
to WIRING DIAGRAM
MANUAL and recheck.
And go to Step 4.
7Check power door lock actuator circuit referring to
its INSPECTION in this section.
Is this circuit OK?Go to Step 8.Repair circuit referring
to WIRING DIAGRAM
MANUAL and recheck.
If OK, go to Step 4.
If not OK, go to next
Step 8.
8Check power supply and grounding circuit
referring to its INSPECTION in this section.
Is this circuit OK?Go to Step 9.Repair circuit referring
to WIRING DIAGRAM
MANUAL and recheck.
If OK, go to Step 4.
If not OK, go to next
Step 9.
91) Check door lock key and power door lock
switch circuit referring to its INSPECTION in
this section.
2) Check ignition switch and door switch circuit
referring to its INSPECTION in this section.
Are these circuits OK?Replace controller and
recheck.
And go to Step 4.Repair circuit referring
to WIRING DIAGRAM
MANUAL and recheck.
And go to Step 4.
Page 580 of 801
YH4
GRAND
VITARA
WINDOWS, MIRRORS, SECURITY AND LOCKS 8D-25
POWER DOOR LOCK ACTUATOR CIRCUIT
INSPECTION
1) Disconnect negative cable at battery.
2) Disconnect coupler of power door lock and keyless entry con-
troller.
3) Use a 12 V battery to connect its (+) terminal to terminal E02-1,
and its (±) terminal to terminal E02-2 and E02-3. Check all power
doors are locked.
If check result is satisfactory, this circuit is OK.
POWER SUPPLY AND GROUNDING CIRCUIT
INSPECTION
1) Disconnect negative cable at battery.
2) Disconnect coupler of power door lock and keyless entry con-
troller, and connect negative cable at battery.
3) Check that the voltage and resistance between following termi-
nals are specifications.
Terminals
ConditionSpecification
E02-7 and
groundAnytime10 ± 14 V
E02-14 and
groundAnytimeContinuity
If check result is satisfactory, this circuit is OK.
DOOR LOCK KEY AND POWER DOOR LOCK SWITCH
CIRCUIT
INSPECTION
1) Disconnect negative cable at battery.
2) Disconnect coupler of power door lock and keyless entry con-
troller.
3) Check for continuity between following terminals at each condi-
tion.
Terminals
ConditionSpecification
E02-8 and
When driver side door key
switch is OFF positionNo continuity
groundWhen driver side door key
switch is LOCK positionContinuity
E02-9 and
When driver side door key
switch is OFF positionNo continuity
groundWhen driver side door key
switch is UNLOCK positionContinuity
If check result is satisfactory, this circuit is OK.