Nissan Titan A60. Manual — part 849
SEC-34
< DTC/CIRCUIT DIAGNOSIS >
HORN FUNCTION
2. Disconnect IPDM E/R and horn relay connector.
3. Check continuity between IPDM E/R harness connector and
horn relay harness connector.
4. Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4
NO
>> Repair or replace harness.
4.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-28, "Removal and Installation of IPDM E/R"
.
NO
>> Repair or replace the malfunctioning part.
WIIA0679E
IPDM E/R
Horn relay
Continuity
Connector
Terminal
Connector
Terminal
E122
45
H-1
1
Yes
IPDM E/R
Ground
Continuity
Connector
Terminal
E122
45
Ground
No
VEHICLE SECURITY INDICATOR
SEC-35
< DTC/CIRCUIT DIAGNOSIS >
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VEHICLE SECURITY INDICATOR
Description
INFOID:0000000006161597
• Vehicle security indicator is built in combination meter.
• NATS (Nissan Anti-Theft System) and vehicle security system conditions are indicated by blink or illumina-
tion of vehicle security indicator.
Component Function Check
INFOID:0000000006161598
1.
CHECK FUNCTION
1. Perform “THEFT IND” in the “Active Test” mode with CONSULT-III.
2. Check vehicle security indicator operation.
Is the inspection result normal?
YES
>> Inspection End.
NO
>> Refer to
Diagnosis Procedure
INFOID:0000000006161599
Regarding Wiring Diagram information, refer to
.
1.
SECURITY INDICATOR LAMP ACTIVE TEST
With CONSULT-III
Check "THEFT IND” in "ACTIVE TEST" mode with CONSULT-III.
Without CONSULT-III
1. Disconnect BCM.
2. Check voltage between BCM harness connector M18 terminal
23 and ground.
Is the inspection result normal?
YES
>> Security indicator lamp is OK.
NO
>> GO TO 2
2.
SECURITY INDICATOR LAMP CHECK
Check security indicator lamp condition.
Is the inspection result normal?
YES
>> GO TO 3
NO
>> Replace security indicator lamp.
3.
CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and security indicator lamp connector.
Test item
Description
THEFT IND
ON
Vehicle security indicator
ON
OFF
OFF
Connector
Terminals
Condition
Voltage (V)
(Approx.)
(+)
(-)
M18
23
Ground
ON
0
OFF
Battery voltage
LIIA0523E
SEC-36
< DTC/CIRCUIT DIAGNOSIS >
VEHICLE SECURITY INDICATOR
3. Check continuity between BCM connector (A) M18 terminal 23
and security indicator lamp harness connector (B) M24 terminal
28.
4. Check continuity between BCM connector (A) M18 terminal 23
and ground.
Is the inspection result normal?
YES
>> Check the following:
• 10A fuse [No. 19, located in fuse block (J/B)]
• Harness for open or short between security indicator lamp and fuse
NO
>> Repair or replace harness.
23 - 28
: Continuity should exist.
23 - Ground
: Continuity should not exist.
LIIA2253E
BCM (BODY CONTROL MODULE)
SEC-37
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM (BODY CONTROL MODULE)
Reference Value
INFOID:0000000006709561
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
ACC ON SW
Ignition switch OFF or ON
Off
Ignition switch ACC
On
AIR COND SW
A/C switch OFF
Off
A/C switch ON
On
AIR PRESS FL
Front left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS FR
Front right tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RL
Rear left tire air pressure value
kPa, kg/cm
2
, psi
AIR PRESS RR
Rear right tire air pressure value
kPa, kg/cm
2
, psi
AUTO LIGHT SW
Lighting switch OFF
Off
Lighting switch AUTO
On
BRAKE SW
Brake pedal released
Off
Brake pedal applied
On
BUCKLE SW
Seat belt buckle unfastened
Off
Seat belt buckle fastened
On
BUZZER
Buzzer in combination meter OFF
Off
Buzzer in combination meter ON
On
CARGO LAMP SW
Cargo lamp switch OFF
Off
Cargo lamp switch ON
On
CDL LOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the LOCK side
On
CDL UNLOCK SW
Door lock/unlock switch does not operate
Off
Press door lock/unlock switch to the UNLOCK side
On
DOOR SW-AS
Front door RH closed
Off
Front door RH opened
On
DOOR SW-DR
Front door LH closed
Off
Front door LH opened
On
DOOR SW-RL
Rear door LH closed
Off
Rear door LH opened
On
DOOR SW-RR
Rear door RH closed
Off
Rear door RH opened
On
FAN ON SIG
Blower motor fan switch OFF
Off
Blower motor fan switch ON
On
FR FOG SW
Front fog lamp switch OFF
Off
Front fog lamp switch ON
On
FR WASHER SW
Front washer switch OFF
Off
Front washer switch ON
On
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