Nissan Terrano model r20 series 2004. Instruction — part 423
DIAGNOSTIC PROCEDURE 2
(Door key cylinder switch check)
CHECK DOOR KEY CYLINDER SWITCH
INPUT SIGNAL (LOCK SIGNAL).
Check voltage between time control unit
connector terminal
U29
and ground.
NG
E
OK
Door key cylinder switch is
OK.
CHECK DOOR KEY CYLINDER SWITCH.
1) Disconnect door key cylinder switch
connector.
2) Check continuity between door key cyl-
inder switch terminals.
OK
E
NG
Replace key cylinder
switch.
Check the following:
I
Harness connectors
I
Door key cylinder switch ground circuit
I
Harness for open or short-circuit
between time control unit and door key
cylinder.
Key cylinder switch operation
Voltage (V)
Lock
0
Unlock/neutral
Approx. 5
Terminals
Key position
Continuity
q
1
-
q
2
Unlock/neutral
No
Lock
Yes
YEL907E
NEL614
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-196
DIAGNOSTIC PROCEDURE 3
(Door lock actuator check)
CHECK DOOR LOCK ACTUATOR CIR-
CUIT.
Check voltage for door lock actuator.
Before operating passenger side knob
lock switch, close all doors.
OK
E
NG
Door lock actuator is OK.
CHECK DOOR LOCK ACTUATOR.
1. Disconnect door lock actuator connec-
tor.
2. Apply 12V direct current to door lock
actuator and check operation.
Front door
Rear door
NG
E
OK
Check harness between
control unit and door lock
actuator.
Replace door lock actuator assembly.
Knob lock
switch
condition
Terminals
Voltage
(V)
!
@
Unlock
,
Lock
U41
Ground
Approx.
12
(Approx.
5 sec-
onds)
U42
Lock
,
Unlock
U44
Ground
Door lock actuator
operation
Terminals
!
@
Unlocked
,
Locked
q
6
q
3
Locked
,
Unlocked
q
3
q
6
Door lock actuator
operation
Terminals
!
@
Unlocked
,
Locked
q
6
: (LH)
q
1
: (RH)
q
3
: (LH)
q
4
: (RH)
Locked
,
Unlocked
q
3
: (LH)
q
4
: (RH)
q
6
: (LH)
q
1
: (RH)
YEL911E
YEL306D
YEL307D
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-197
DIAGNOSTIC PROCEDURE 4
(Super lock actuator check)
CHECK SUPER LOCK ACTUATOR CIRCUIT.
Check voltage for super lock actuator.
Note:
Put the system in set condition before check-
ing release signal.
OK
E
NG
Super lock actuator is
OK.
CHECK SUPER LOCK ACTUATOR.
1. Disconnect door lock actuator assembly
connector.
2. Set lever A in lock position.
3. Apply 12V direct current to door lock actua-
tor assembly and check operation.
Front door
Rear door
NG
E
OK
Check harness
between control unit
and door lock actuator
assembly.
Replace door lock actuator assembly.
Door key
cylinder
switch con-
dition
Terminals
Voltage
(V)
!
@
Lock (Set)
U40
Ground
Approx. 12
Unlock
(Released)
U44
Ground
Super lock
actuator
operation
Terminals
Connec-
tion from
lever A to
lever B
!
@
Released
,
Set
q
1
q
4
Discon-
nect
Set
,
Released
q
4
q
1
Connect
Super lock
actuator
operation
Terminals
Connec-
tion from
lever A to
lever B
!
@
Released
,
Set
q
1
: (LH)
q
6
: (RH)
q
4
: (LH)
q
3
: (RH)
Discon-
nect
Set
,
Released
q
4
: (LH)
q
3
: (RH)
q
1
: (LH)
q
6
: (RH)
Connect
YEL308D
YEL309D
YEL310D
YEL311D
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-198
DIAGNOSTIC PROCEDURE 5
(Door switch check)
CHECK DOOR SWITCH INPUT SIGNAL.
Check voltage between fuse block (J/B)
and ground.
NG
E
OK
Door switch is OK.
CHECK DOOR SWITCH.
1) Disconnect door switch connector.
2) Check continuity between door switch
terminals.
OK
E
NG
Replace door switch.
Check the following.
I
Door switch ground condition
I
Harness for open or short between con-
trol unit and door switch
Termi-
nals
Condition
Voltage (V)
Driver
side door
B07
Opened
0
Closed
Approx. 12
Other
door
B01
Opened
0
Closed
Approx. 12
Terminals
Condition
Continuity
Other
door
switches
q
1
-
ground
Closed
No
Open
Yes
YEL312D
YEL913E
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-199
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