Infiniti I30 (A33). Manual — part 445
Trouble Diagnoses
NHEL0289
WORK FLOW
NHEL0289S01
SEL101WA
*1
*2
*3
*4
*5
WARNING:
I
Whenever possible, set the system to “Demonstration
mode” if INFINITI Communicator system needs to be acti-
vated during service procedures. (For details of the dem-
onstration mode, refer to EL-461.)
I
If you activate the INFINITI Communicator system (when
the system is not in the demonstration mode), the Com-
municator Response Center operator may dispatch police.
GI
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AX
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BT
HA
SC
IDX
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses
EL-449
SEL532V
PRELIMINARY CHECK
NHEL0289S02
1.
Turn ignition switch ON.
2.
Check “MAYDAY”, “INFORMATION”, “REDIAL” and “NO SER-
VICE” indicator lamps operation.
SEL516V
I
If no malfunction is detected, indicator lamps will turn off after
the bulb check (self-diagnosis) is terminated for about 30 sec-
onds or more.
NOTE:
I
Bulb check (self-diagnosis) is not performed unless the ignition
switch has been turned off for at least 3 minutes.
I
Bulb check is not performed during contact with Communica-
tor Response Center.
SEL517V
I
If the system detects malfunctions, both “MAYDAY” and
“INFORMATION” indicator lamps remain illuminated. Perform
self-diagnosis using CONSULT-II and repair or replace the sys-
tem. Refer to “How to Perform Self-diagnosis”, EL-445.
NOTE:
For details of indicator lamps operation, refer to “INDICATOR
LAMPS OPERATION”, EL-438.
SYMPTOM CHART 1 (CONSULT-II SELF-DIAGNOSIS
ITEM)
NHEL0289S03
Detected items
(Screen items)
Description
Service procedure
CONNECTION ERROR
[GPS ANTENNA]
Connection error between GPS antenna and IVCS unit.
Go to GPS ANTENNA CHECK,
EL-458.
CELLULAR PHONE
[TWB ERROR]
Communication error between CPU in the IVCS unit and
transceiver
Replace IVCS unit.
MEMORY ERROR
Inner memory error of the IVCS unit
Replace IVCS unit.
CONNECTION ERROR
[AIR BAG]
Connection error between air bag diagnosis sensor unit
and IVCS unit.
Go to AIR BAG DIAGNOSIS SEN-
SOR COMMUNICATION CHECK,
EL-458.
CONNECTION ERROR [IVMS or
S/ENT]
Connection error between smart entrance control unit
and IVCS unit.
If this error occurs, alarm notification and auto door
unlock may not operate.
Go to SMART ENTRANCE CON-
TROL UNIT COMMUNICATION
CHECK, EL-458.
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont’d)
EL-450
NOTE:
After replacing IVCS unit, set up the replaced IVCS unit. Refer
to “System Setting (When IVCS Unit is Replaced.)” in EL-463.
SYMPTOM CHART 2 (BASED ON SYMPTOM)
NHEL0289S04
Before referencing this chart, confirm the operation of the indicator
lamps. Refer to “PRELIMINARY CHECK” in EL-450. If the indica-
tors show the system is malfunctioning, perform the self-diagnosis
using CONSULT-II.
Symptom
Diagnoses/service procedure
Reference page
“MAYDAY”, “INFORMATION”, “RE-DIAL”,
“NO SERVICE” indicator lamps do not illu-
minate when ignition switch is turned to ON
position. (Bulb check is NG.)
1. Power supply and ground circuit for IVCS unit check
2. Indicator lamps check
Mayday/Information call does not operate.
1. IVCS switch check
2. INFINITI Communicator operation check in demonstration
mode
Remote door unlocking function does not
operate.
1. Driver side outside door handle switch check
2. Remote door unlock function check
3. INFINITI Communicator operation check in demonstration
mode
Stolen vehicle tracking function does not
operate.
1. Stolen vehicle tracking setting check
(Check whether the function is disabled or not.)
2. INFINITI Communicator operation check in demonstration
mode
Alarm notification function does not oper-
ate.
1. Alarm notification setting check
(Check whether the function is disabled or not.)
2. INFINITI Communicator operation check in demonstration
mode
Hands free telephone cannot be operated
by using steering switch.
1. Telephone steering switch check
No sounds related to the telephone are
heard from Front RH speaker. (If the audio
does not operate properly, check the audio
system.)
1. Check harness for open or short between IVCS unit and
audio unit.
—
The “NO SERVICE” indicator lamp is not
turned off. (Even if a contract with tele-
phone carrier has not been made, the indi-
cator lamp remains illuminated.)
1. Make sure the vehicle is in an area with cellular service.
—
2. Check cellular phone antenna feeder cable connection.
—
No sound is transmitted to the other party
by hands free telephone.
1. Check harness for open or short between IVCS unit and
microphone.
—
2. Replace microphone. (IVCS switch assembly)
—
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont’d)
EL-451
SEL976VB
POWER SUPPLY AND GROUND CIRCUIT FOR IVCS
UNIT CHECK
NHEL0289S05
Main Power Supply Circuit Check
NHEL0289S0501
Terminal
Ignition switch
(+)
(−)
OFF
ACC
ON
18
Ground
Battery volt-
age
Battery volt-
age
Battery volt-
age
2
Ground
0V
0V
Battery volt-
age
If NG, check the following:
I
15A fuse [No. 56, located in fuse and fusible link box]
I
10A fuse [No. 10, located in fuse block (J/B)]
I
Harness for open or short between fuse and IVCS unit
SEL519VD
Ground Circuit Check
NHEL0289S0502
Terminals
Continuity
17 - Ground
Yes
INFINITI COMMUNICATOR (IVCS)
Trouble Diagnoses (Cont’d)
EL-452
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