Infiniti F50. Manual — part 752
TROUBLE DIAGNOSIS FOR SYMPTOMS
SCS-25
C
D
F
G
H
I
J
K
L
M
A
B
SCS
TROUBLE DIAGNOSIS FOR SYMPTOMS
PFP:00007
Inspection 5: Hard or Soft Feel
EES000EW
1.
SELF-DIAGNOSTICS INSPECTION
●
Disconnect control unit connector and shock absorber actuator connector, then re-connect them.
●
Perform self-diagnosis to check that proper test results are obtained.
Inspection results OK?
OK
>> GO TO 2.
NG
>> Check and repair detected area.
2.
CHECK SHOCK ABSORBER ACTUATOR OPERATION
●
Set the diagnostic system in the self-diagnosis mode.
●
Depress parking brake pedal.
●
Set select switch to “AUTO”, then move vehicle body up and down to check that dampening force of each
shock absorber is high. Brake pedal should be released during tests.
●
Set select lever to “SPORT”, then move vehicle body up and down to check that dampening force of each
shock absorber is high.
Inspection results OK?
OK
>> GO TO 11.
NG
>> GO TO 3.
3.
CHECK SHOCK ABSORBER ACTUATOR
●
Measure resistance between shock absorber actuator terminals.
Inspection results OK?
OK
>> GO TO 4.
NG
>> Replace actuator.
4.
CHECK CONTROL UNIT OUTPUT SIGNAL
●
Measure voltage between control unit connector terminals 42 (L/
R), 48 (B/R) and body ground.
Inspection results OK?
OK
>> GO TO 6.
NG
>> GO TO 5.
5.
CHECK HARNESS CONNECTOR
●
Check continuity between control unit and shock absorber actuator terminals.
Inspection results OK?
OK
>> Replace control unit
NG
>> Replace harness connector.
Front
1,2,4,5 - 3
: Approx. 12
Ω
Rear
1,3,4,5 - 2
: Approx. 12
Ω
SEIA0284E
42 (L/R),48 (B/R) - Body ground
: Battery voltage
SEIA0285E
SCS-26
TROUBLE DIAGNOSIS FOR SYMPTOMS
6.
CHECK SHOCK ABSORBER ACTUATOR OPERATION
●
Remove actuator from strut.
●
Set diagnostic system in the self-diagnostic mode.
●
Check that actuator operates as shown in the figure when select
switch is set to “AUTO” or “SPORT”, and brake pedal is
depressed or released.
Inspection results OK?
OK
>> GO TO 8.
NG
>> GO TO 7.
7.
CHECK HARNESS CONNECTOR
●
Check continuity between control unit and shock absorber actuator terminals.
Inspection results OK?
OK
>> Replace control unit.
NG
>> Repair or replace harness or connector.
8.
CHECK SHOCK ABSORBER CONTROL ROD
●
Pinch control rod with your fingers, then turn it 2 or 3 rotations to check that it rotates smoothly without
free play.
Inspection results OK?
OK
>> GO TO 9.
NG
>> Replace shock absorber.
9.
SELF-DIAGNOSTICS1
●
Install actuator and perform self-diagnosis.
●
Turn ignition switch to “ON” to initialize actuator positioning, then re-perform self-diagnosis to check actu-
ator operation.
Inspection results OK?
OK
>> INSPECTION END.
NG
>> GO TO 10.
10.
SELF-DIAGNOSTICS 2
●
Replace with a new actuator, then perform self-diagnosis.
●
Turn ignition switch to “ON” to initialize actuator positioning, then re-perform self-diagnosis to check actu-
ator operation.
Inspection results OK?
OK
>> Replace actuator
NG
>> Replace shock absorber.
11.
CHECK RIDE COMFORT
●
Check for improved riding comfort.
Inspection results OK?
OK
>> INSPECTION END.
NG
>> Replace shock absorber.
SEIA0093E
SE-1
SEAT
I BODY
CONTENTS
C
D
E
F
G
H
J
K
L
M
SECTION
A
B
SE
SEAT
PRECAUTIONS . . . . . . . . . . . . . . .. 4
PREPARATION . . . . . . . . . . . . . . ... 6
Special Service Tools . . . . . . . . . . . ... 6
Commercial Service Tools . . . . . . . . . . 6
SQUEAK AND RATTLE TROUBLE DIAGNOSES . . 7
Work Flow . . . . . . . . . . . . . . . . 7
Generic Squeak and Rattle Troubleshooting . . ... 9
Diagnostic Worksheet . . . . . . . . . . . .11
AUTOMATIC DRIVE POSITIONER . . . . . . .. 13
System Description . . . . . . . . . . . . 13
Component Parts and Harness Connector Location
CONSULT-II Function . . . . . . . . . . . . 39
CONSULT-II BASIC OPERATION PROCEDURE
SE-2
POWER SEAT . . . . . . . . . . . . . . ... 94
System Description . . . . . . . . . . . . . 94
HEATED SEAT . . . . . . . . . . . . . . 128
System Description . . . . . . . . . . . ...128
FRONT HEATED SEAT . . . . . . . . . .128
REAR HEATED SEAT . . . . . . . . . ...128
Component Parts and Harness Connector Location .130
Wiring Diagram – HSEAT – . . . . . . . . ..131
FRONT HEATED SEAT . . . . . . . . . .131
Schematic . . . . . . . . . . . . . . . .133
REAR HEATED SEAT . . . . . . . . . ...133
Wiring Diagram – HSEAT – . . . . . . . . ..134
REAR HEATED SEAT . . . . . . . . . ...134
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