Nissan Frontier. Instruction — part 1042
PCS-12
< SYSTEM DESCRIPTION >
[IPDM E/R]
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
TAIL&CLR REQ [On/Off]
×
Indicates position light request signal received from BCM on CAN communica-
tion line
HL LO REQ [On/Off]
×
Indicates low beam request signal received from BCM on CAN communication
line
HL HI REQ [On/Off]
×
Indicates high beam request signal received from BCM on CAN communication
line
FR FOG REQ [On/Off]
×
Indicates front fog light request signal received from BCM on CAN communica-
tion line
FR WIP REQ [Stop/1LOW/Low/Hi]
×
Indicates front wiper request signal received from BCM on CAN communication
line
WIP AUTO STOP [STOP P/ACT P]
×
Indicates condition of front wiper auto stop signal
WIP PROT [Off/BLOCK]
×
Indicates condition of front wiper fail-safe operation
ST RLY REQ [On/Off]
Indicates starter request signal received from ECM on CAN communication line
IGN RLY [On/Off]
×
Indicates condition of ignition relay
RR DEF REQ [On/Off]
×
Indicates rear defogger request signal received from BCM on CAN communica-
tion line
OIL P SW [Open/Close]
Indicates condition of oil pressure switch
DTRL REQ [Off]
Indicates daytime light request signal received from BCM on CAN communica-
tion line
THFT HRN REQ [On/Off]
Indicates theft warning horn request signal received from BCM on CAN commu-
nication line
HORN CHIRP [On/Off]
Indicates horn reminder signal received from BCM on CAN communication line
Monitor Item [Unit]
Main
Signals
Description
Test item
Description
REAR DEFOGGER
This test is able to check rear defogger operation [On/Off].
FRONT WIPER
This test is able to check wiper motor operation [Hi/Lo/Off].
MOTOR FAN
This test is able to check cooling fan operation [4/3/2/1].
EXTERNAL LAMPS
This test is able to check external lamp operation [Fog/Hi/Lo/TAIL/Off].
HORN
This test is able to check horn operation [On].
PCS
U1000 CAN COMM CIRCUIT
PCS-13
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000009478247
.
DTC Logic
INFOID:0000000009478248
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
INFOID:0000000009478249
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “SELF-DIAG RESULTS” of IPDM E/R.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-14, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-42, "Intermittent Incident"
.
DTC
CONSULT display de-
scription
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN
communication signal continuously for 2
seconds or more
In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
• Receiving (TCM)
• Receiving (ECM)
• Receiving (BCM)
• Receiving (Combination meter)
PCS-14
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000009478250
Regarding Wiring Diagram information, refer to
.
1.
CHECK FUSIBLE LINKS
Check that the following IPDM E/R fusible links are not blown.
Is the fusible link blown?
YES
>> Replace the blown fusible link after repairing the affected circuit.
NO
>> GO TO 2
2.
CHECK BATTERY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R.
3. Check voltage between IPDM E/R harness connectors and
ground.
Is there voltage on all pins?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between IPDM E/R harness connectors and
ground.
Does continuity exist?
YES
>> Inspection End.
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fusible link No.
1
Battery
A, D
2
C
22
A, E, I
Terminals
Ignition
switch posi-
tion
Voltage (V)
(Approx.)
(+)
(
−)
Connector
Terminal
E118 (A)
1
Ground
OFF
Battery
voltage
2
E120 (B)
22
AWMIA0506ZZ
IPDM E/R
Ground
Continuity
Connector
Terminal
E122 (A)
38
Yes
E124 (B)
59
AWMIA0024ZZ
PCS
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PCS-15
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
ECU DIAGNOSIS INFORMATION
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
Reference Value
INFOID:0000000009478251
VALUES ON THE DIAGNOSIS TOOL
Monitor Item
Condition
Value/Status
MOTOR FAN REQ
Engine idle speed
Changes depending on engine
coolant temperature, air conditioner
operation status, vehicle speed,
etc.
1, 2, 3, 4
A/C COMP REQ
A/C switch OFF
Off
A/C switch ON
On
TAIL&CLR REQ
Lighting switch OFF
Off
Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)
On
HL LO REQ
Lighting switch OFF
Off
Lighting switch 2ND HI or AUTO (Light is illuminated)
On
HL HI REQ
Lighting switch OFF
Off
Lighting switch HI
On
FR FOG REQ
Lighting switch 2ND
Front fog lamp switch OFF
Off
Front fog lamp switch ON
On
FR WIP REQ
Ignition switch ON
Front wiper switch OFF
Stop
Front wiper switch INT
1LOW
Front wiper switch LO
Low
Front wiper switch HI
HI
WIP AUTO STOP
Ignition switch ON
Front wiper stop position
STOP P
Any position other than front wiper
stop position
ACT P
WIP PROT
Ignition switch ON
Front wiper operates normally
Off
Front wiper stops at fail-safe opera-
tion
BLOCK
ST RLY REQ
Ignition switch OFF or ACC
Off
Ignition switch START
On
IGN RLY
Ignition switch OFF or ACC
Off
Ignition switch ON
On
RR DEF REQ
Rear defogger switch OFF
Off
Rear defogger switch ON
On
OIL P SW
Ignition switch OFF, ACC or engine running
Open
Ignition switch ON
Close
DTRL REQ
Daytime light system requested OFF with CONSULT.
Off
Daytime light system requested ON with CONSULT.
On
THFT HRN REQ
Not operated
Off
• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-
TEM
On
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