Infiniti Q45 (FY33). Manual — part 368
Diagnostic
procedure
DIAGNOSTIC PROCEDURE 11
(Sliding motor check)
DIAGNOSTIC PROCEDURE 12
(Reclining motor check)
DIAGNOSTIC PROCEDURE 13
[Lifting motor (front) check]
DIAGNOSTIC PROCEDURE 14
[Lifting motor (rear) check]
DIAGNOSTIC PROCEDURE 15
(Lifting limit switch check)
DIAGNOSTIC PROCEDURE 16
(Tilt/telescopic switch check)
DIAGNOSTIC PROCEDURE 17
(Power seat switch check)
DIAGNOSTIC PROCEDURE 18
(Cancel switch check)
DIAGNOSTIC PROCEDURE 19
(Key, detention, door switch and
vehicle speed sensor check)
DIAGNOSTIC PROCEDURE 20
(Seat memory switch check)
DIAGNOSTIC PROCEDURE 21
(Memory indicator check)
DIAGNOSTIC PROCEDURE 22
(Lumber support check)
Wake-up Diagnosis for LCU05
X
X
XX
XX
X
X
(ACC,
ON
ST
AR
T
signal)
XX
X
(IGN
ON
signal)
X
XX
XX
XX
XX
X
X
X
X
X
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
IDX
AUT
OMA
TIC
DRIVE
POSITIONER
—
IVMS
T
rouble
Diagnoses
(Cont’d)
EL-463
SEL981U
DIAGNOSTIC PROCEDURE 1
(Power supply and ground circuit for LCU05)
Power supply circuit check
Check voltage between LCU05 terminal
q
16
and ground.
(Refer to wiring diagram in EL-451.)
Terminals
Ignition switch position
OFF
ACC
ON
START
q
16
- Ground
Battery voltage
If NG, check the following.
I
40A fusible link (letter h, located in the fuse, fusible and relay
box)
I
Circuit breaker-2
I
Harness for open or short between circuit breaker-2 and
LCU05
I
Harness for open or short between fuse and circuit breaker-2
SEL982U
Ground circuit check
Check continuity between LCU05 terminal
q
14
and ground.
(Refer to wiring diagram in EL-451.)
Terminals
Continuity
q
14
- Ground
Yes
AUTOMATIC DRIVE POSITIONER — IVMS
Trouble Diagnoses (Cont’d)
EL-464
SEL983U
DIAGNOSTIC PROCEDURE 2
(Power supply and ground circuit for tilt/telescopic
motor)
Power supply circuit check
Check voltage between BCM terminal
104
and ground.
(Refer to wiring diagram in EL-450.)
Terminals
Ignition switch position
OFF
ACC
ON
START
104
- Ground
Battery voltage
If NG, check the following.
I
40A fusible link (letter h, located in the fuse, fusible and relay
box)
I
Circuit breaker-2
I
Harness for open or short between circuit breaker-2 and BCM
I
Harness for open or short between fuse and circuit braker-2
SEL984U
Ground circuit check
Check continuity between BCM terminal
114
and ground.
(Refer to wiring diagram in EL-447.)
Terminals
Continuity
114
- Ground
Yes
GI
MA
EM
LC
EC
FE
AT
PD
FA
RA
BR
ST
RS
BT
HA
IDX
AUTOMATIC DRIVE POSITIONER — IVMS
Trouble Diagnoses (Cont’d)
EL-465
SEL543W
DIAGNOSTIC PROCEDURE 3
(Tilt sensor check)
SEL986U
SEL987U
SEL988U
CHECK TILT SENSOR INPUT SIGNAL.
CONSULT-II
See “TILT SEN” in DATA MONITOR
mode.
Steering column in the uppermost posi-
tion:
Approx. 2V
Steering column in the lowermost position:
Approx. 4V
-------------------------------------------------------------------------------------------------------------------------------------- OR --------------------------------------------------------------------------------------------------------------------------------------
TESTER
Check voltage between BCM terminals
q
46
and
q
53
.
Refer to wiring diagram in EL-450.
NG
E
OK
Tilt sensor is OK.
CHECK TILT SENSOR OPEN CIRCUIT.
1. Disconnect BCM connector and tilt sen-
sor connector.
2. Check harness continuity between BCM
connector and tilt sensor connector.
OK
E
NG
Repair harness.
CHECK TILT SENSOR SHORT CIRCUIT.
Check harness continuity between BCM
connector terminals and ground.
OK
E
NG
Repair harness.
Replace tilt sensor.
Steering column position
Voltage V
Uppermost
Approx. 2
Lowermost
Approx. 4
Terminals
Continuity
BCM
Tilt sensor
q
54
q
1
Yes
q
46
q
2
q
53
q
3
Terminals
Continuity
q
54
- ground
No
q
46
- ground
q
53
- ground
AUTOMATIC DRIVE POSITIONER — IVMS
Trouble Diagnoses (Cont’d)
H
H
H
EL-466
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст