Nissan March K13. Instruction — part 492
PCS-50
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R (WITHOUT I-KEY)]
B2099 IGNITION RELAY OFF STUCK
B2099 IGNITION RELAY OFF STUCK
Description
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The ignition relay integrated in IPDM E/R is operated with ignition switch ON signal from the ignition switch.
DTC Logic
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DTC DETECTION LOGIC
NOTE:
When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the “DTC: B2099” may be detected.
Diagnosis Procedure
INFOID:0000000006025263
1.
PERFORM SELF DIAGNOSIS
1.
Turn the ignition switch ON.
2.
Erase “Self Diagnostic Result”.
3.
Turn the ignition switch OFF.
4.
Turn the ignition switch ON. Check “Self Diagnostic Result” again.
Is DTC “B2099” displayed?
YES
>> Replace IPDM E/R. Refer to
PCS-28, "Removal and Installation"
NO
>> Refer to
GI-33, "Intermittent Incident"
.
DTC
CONSULT-III dis-
play description
DTC Detection Condition
Possible causes
B2099
IGN RELAY OFF
The ignition relay OFF is detected for 1 second at ignition switch ON
(CPU monitors the status at the contact and excitation coil circuits of
the ignition relay inside it)
Ignition relay malfunction
PCS
POWER SUPPLY AND GROUND CIRCUIT
PCS-51
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R (WITHOUT I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000006025264
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect IPDM E/R connector.
3.
Check voltage between IPDM E/R harness connector and the ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair the harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and the ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair the harness or connector.
Signal name
Fuses and fusible link No.
Battery power supply
C (80 A)
D (60 A)
F (40 A)
(+)
(
−
)
Voltage
(Approx.)
IPDM E/R
Connector
Terminal
E9
1
Ground
Battery voltage
2
E11
32
IPDM E/R
Ground
Continuity
Connector
Terminal
E10
10
Existed
E14
55
PCS-52
< REMOVAL AND INSTALLATION >
[IPDM E/R (WITHOUT I-KEY)]
IPDM E/R
REMOVAL AND INSTALLATION
IPDM E/R
Exploded View
INFOID:0000000005984316
Removal and Installation
INFOID:0000000005984317
CAUTION:
IPDM E/R integrated relays are not serviceable parts, and must not be removed from the unit.
REMOVAL
1.
Disconnect the battery cable from the negative terminal.
2.
Remove the IPDM E/R (1) while disengaging both pawls (A) by
spreading them.
3.
Disconnect the harness connector and then remove the IPDM
E/R.
INSTALLATION
Install in the reverse order of removal.
1.
IPDM E/R
JMMIA0357ZZ
JMMIA0358ZZ
PCS
PRECAUTIONS
PCS-53
< PRECAUTION >
[POWER DISTRIBUTION SYSTEM]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005998896
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Instruction.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the “SRS AIR BAG”.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s)
with a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly
causing serious injury.
• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
INFOID:0000000005998897
NOTE:
• Before removing and installing any control units, first turn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnosis according to self-diagnosis results.
For vehicle with steering lock unit, if the battery is disconnected or discharged, the steering wheel will lock and
cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, follow the operation pro-
cedure below before starting the repair operation.
OPERATION PROCEDURE
1.
Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2.
Turn the push-button ignition switch to ACC position.
(At this time, the steering lock will be released.)
3.
Disconnect both battery cables. The steering lock will remain released with both battery cables discon-
nected and the steering wheel can be turned.
4.
Perform the necessary repair operation.
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