Nissan Terrano model r20 series 2004. Instruction — part 424
DIAGNOSTIC PROCEDURE 6
(NATS release signal check)
Does engine start properly?
Yes
E
No
Check NATS system.
CHECK NATS SIGNAL CIRCUIT.
1) Disconnect control unit connector and
NATS IMMU connector.
2) Check continuity between control unit
terminal
U26
and NATS IMMU termi-
nal
q
3
.
Continuity should exist.
3) Check continuity between control unit
terminal
U26
and ground.
Continuity should not exist.
OK
E
NG
Repair harness.
CHECK NATS RELEASE SIGNAL.
1) Connect control unit connector and
NATS IMMU connector.
2) Check voltage between control unit
terminal
U26
and ground.
OK
E
NG
Check NATS system.
Replace time control unit.
Ignition switch condition
Voltage
(V)
LOCK
12
More than 10 seconds after ignition
switch turned to “ON” position
For 10 seconds after ignition
switch turned to “ON” position
Pulse
YEL314D
YEL315D
H
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-200
DIAGNOSTIC PROCEDURE 7
(Ignition switch check)
CHECK IGNITION SWITCH INPUT SIG-
NAL.
Check voltage between control unit termi-
nal
U22
and ground.
NG
E
OK
Ignition switch is OK.
CHECK IGNITION SWITCH POWER
SUPPLY.
Check voltage between ignition switch
harness terminal
q
2
and ground.
Battery voltage should exist.
OK
E
NG
Check the following.
I
10A fuse [No. 16 ,
located in fuse block
(J/B)]
I
Harness for open or
short between ignition
switch and fuse
CHECK IGNITION SWITCH.
1. Disconnect ignition switch connector.
2. Check continuity between ignition
switch terminals.
OK
E
NG
Replace ignition switch.
Check harness for open or short between
control unit and ignition switch.
Condition of key switch
Voltage (V)
Key is inserted
Approx. 12
Key withdrawn
0
Terminals
Condition
Continuity
q
1
-
q
2
Key is
inserted.
Yes
Key is with-
drawn.
No
DIAGNOSTIC PROCEDURE 8
(Ignition switch “ON” circuit check)
Terminals
Ignition switch position
!
@
OFF
ACC
ON
U01
Ground
0V
0V
Battery voltage
If NG, check the following.
I
10A fuse [No.
26
, located in the fuse block (J/B)]
I
Harness for open or short
YEL316D
YEL317D
YEL914E
YEL319D
H
H
H
POWER DOOR LOCK — SUPER LOCK —
Trouble Diagnoses (Cont’d)
EL-201
System Description
POWER AND GROUND
Power is supplied at all times
I
to time control unit terminal U09 and
I
to door lock switch relay terminal 1
I
through 10A fuse [No. 5, located in the fuse block (J/B)], and
I
to key switch terminal 2
I
through 10A fuse [No. 16, located in the fuse block (J/B)].
When the key switch is ON (ignition key is inserted in key cylinder), power is supplied
I
through key switch terminal 1
I
to time control unit terminal U22.
When the door switch driver side is ON (door is OPEN), ground is supplied
I
to time control unit terminal U06
I
through door switch driver side terminal 1 and case ground.
When any of the other door switches is ON (door is OPEN), ground is supplied
I
to time control unit terminal U07
I
through door switch terminal 1 and case ground.
When lock/unlock switch is LOCK, ground is supplied
I
to power window main switch terminal 3
I
through body grounds B10 and B18.
Door lock operation signal is supplied
I
through power window main switch terminal 14
I
to door lock switch relay terminal 2.
With power and ground supplied, door lock switch relay is energized, and the door lock operation signal is
supplied to time control unit terminal U35.
Door unlock operation signal is supplied
I
through power window main switch terminal 7
I
to time control unit terminal U37.
Remote controller signal is inputted to time control unit (The antenna of the system is combined with time
control unit).
FUNCTION
Multi-remote control system has the following function.
I
Door lock (and set super lock)
I
Door unlock (and release super lock)
I
Hazard reminder
LOCK OPERATION
To lock door by multi-remote controller, the key switch must be at OFF.
When the LOCK signal is input to time control unit (the antenna of the system is combined with time control
unit), time control unit controls to lock doors and set super lock (models with super lock).
UNLOCK OPERATION
Normal Mode
When UNLOCK signal is input to time control unit (the antenna of the system is combined with time control
unit), time control unit controls to unlock doors and release super lock (models with super lock).
Anti Hi-jack Mode
When the UNLOCK signal is input to time control unit (the antenna of the system is combined with time con-
trol unit), time control unit controls to unlock driver’s door and release super lock (models with super lock).
Then, if an unlock signal is sent from the remote controller again within 5 seconds, all other doors will be
unlocked.
HAZARD REMINDER
When the doors are locked or unlocked by multi-remote controller, supply power to turn lamps hazard reminder
flashes as follows
I
Lock operation: Flash once
I
Unlock operation: Flash twice
MULTI-REMOTE CONTROL SYSTEM
EL-202
AUTO DOOR LOCK OPERATION
Auto lock function signal is sent for operation when any of the following signals are not sent within 5 minutes
after the unlock signal is sent from the multi-remote controller:
I
when door switch is turned ON for open
I
when the ignition switch is turned ON
I
when the lock signal is sent from the multi-remote controller
I
when ignition switch is inserted in ignition key cylinder
MULTI-REMOTE CONTROLLER ID CODE ENTRY
A maximum of four remote controllers can be entered.
To enter ID code entry, the following signals must be input to the time control unit.
I
Ignition switch (ON)
I
Signal from remote controller
For detailed procedure, refer to “ID Code Entry Procedure” in EL-215.
MULTI-REMOTE CONTROL SYSTEM
System Description (Cont’d)
EL-203
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