2005 INFINITI FX35 Ignition switch

TROUBLE DIAGNOSIS FOR SYMPTOMS WT-31
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M A
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WT
Revision: 2005 July 2005 FX
TROUBLE DIAGNOSIS FOR SYMPTOMSPFP:00007
Inspection 1: Warning Lamp Does Not Come On When Ignition Switch Is Turned
On
AES000ZF
DIAGNOSTIC PROCEDURE
1. CHECK SELF-DIAGNOSIS RESULTS
1. With the ignition switch OFF, connect CONSULT-II and CONSULT-II CONVERTER to the data link con- nector, then turn the ignition switch ON.
2. Select “START (NISSAN BASED VHCL)”.
3. Select “BCM” on “SELECT SYSTEM” screen. NOTE:
If the “BCM” is not indicated, go to GI-39, "
CONSULT-II Data Link Connector (DLC) Circuit" .
4. Select “BCM C/U” on “SELECT WORK ITEM” screen, and select “SELF-DIAG RESULTS”.
5. Select “SELF-DIAG RESULTS” on “SELECT DIAG MODE” screen.
6. Check display contents in self-diagnostic results.
Is
“CAN COMM CIRCUIT” displayed in the self-diagnosis display items?
YES >> Malfunction in CAN communication system. GO TO LAN-5, "Precautions When Using CON-
SULT-II" .
NO >> No malfunction. GO TO 2.
2. CHECK COMBINATION METER

Check combination meter function.
OK or NG
OK >> GO TO 3.
NG >> Check combination meter. Refer to DI-5, "
System Description" .
3. CHECK LOW TIRE PRESSURE WARNING LAMP

Disconnect BCM harness connectors M3 and M4.
Does the warning lamp activate?
YES >> Replace BCM. Refer to BCS-16, "Removal and Installation of BCM" .
NO >> Check combination meter and repair or replace.
Inspection 2: Warning Lamp Stays On When Ignition Switch Is Turned OnAES000ZG
DIAGNOSTIC PROCEDURE
1. CHECK CONNECTOR
1. Disconnect BCM harness connectors M3 and M4.
2. Check terminals for damage or loose connections.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.

WT-32
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2005 July 2005 FX
2. CHECK POWER SUPPLY CIRCUIT (BATTERY)
Make sure voltage between BCM harness connector M4 terminals 42 (GY), 55 (R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Check BCM power supply circuit for open or short.
3. CHECK POWER SUPPLY CIRCUIT (IGN)
1. Turn ignition switch ON.
2. Make sure voltage between BCM harness connector M3 terminal 38 (W/L) and ground.
OK or NG
OK >> GO TO 4.
NG >> Check BCM power supply circuit for open or short.
4. CHECK GROUND CIRCUIT

Check continuity between BCM harness connector M4 terminal 49(B), 52 (B) and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Repair or replace BCM ground circuit. Te r m i n a l
Vo l ta g e
(+) (–)
Connector Te r m i n a l
(Wire color) Ground 12V
M4 42 (L/R),
55 (G)
SEIA0435E
Te r m i n a l Vo l ta g e
(+) (–)
Connector Te r m i n a l
(Wire color) Ground 12V
M3 38 (W/L)
SEIA0436E
Te r m i n a l Continuity
(+) (–)
Connector Te r m i n a l
(Wire color) Ground Should exist.
M4 49 (B), 52 (B)
SEIA0610E

TROUBLE DIAGNOSIS FOR SYMPTOMS WT-33
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WT
Revision: 2005 July 2005 FX
Inspection 3: Warning Lamp Blinks When Ignition Switch Is Turned OnAES000ZH
NOTE:
If warning lamp blink below, the system is normal.
Blink Mode A

This mode shows transmitter status is OFF-mode.
Perform transmitter wake up operation. Refer to WT-18, "
Trans-
mitter Wake Up Operation" .
DIAGNOSTIC PROCEDURE
1. CHECK CONNECTOR
1. Disconnect BCM harness connector M3.
2. Check terminals for damage or loose connections.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace damaged parts.
2. CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT

Check continuity between BCM harness connector M3 terminal 15 (G) and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-16, "Removal and Installa-
tion of BCM" .
NG >> Repair or replace harness connector.
SEIA0347E
Te r m i n a l Continuity
(+) (–)
Connector Te r m i n a l
(Wire color) Ground Should not exist.
M3 15 (G)
SEIA0438E

WT-34
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2005 July 2005 FX
Inspection 4: Turn Signal Lamp Blinks When Ignition Switch Is Turned OnAES000ZI
DIAGNOSTIC PROCEDURE
1. CHECK TIRE PRESSURE WARNING CHECK SWITCH CIRCUIT

Check continuity between BCM harness connector M3 terminal 15 (G) and ground.
OK or NG
OK >> Check turn signal lamp operation. Refer to LT- 9 1 , "Sys-
tem Description" .
NG >> Repair or replace harness connector.
Inspection 5: ID Registration Can Not Be CompletedAES000ZJ
DIAGNOSTIC PROCEDURE
1. ID REGISTRATION (ALL)

Perform ID registration of all transmitters.
Can ID registration of all transmitters be completed?
YES >> INSPECTION END
NO >> GO TO WT-28, "
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS" .
Te r m i n a l
Continuity
(+) (–)
Connector Te r m i n a l
(Wire color) Ground Should not exist.
M3 15 (G)
SEIA0438E