NISSAN TEANA 2008 Service Manual

EXL-152
< ECU DIAGNOSIS >[XENON TYPE]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
JCMWM1684GB

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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Fail-safeINFOID:0000000003894275
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs fail-safe control. After CAN
communication recovers normally, it also returns to normal control.
If No CAN Communication Is Available With ECM
JCMWM1685GB

EXL-154
< ECU DIAGNOSIS >[XENON TYPE]
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
If No CAN Communication Is Available With BCM
IGNITION RELAY MALFUNCTION DETECTION FUNCTION
 IPDM E/R monitors the voltage at the contact circuit and excitation coil circuit of the ignition relay inside it.
 IPDM E/R judges the ignition relay error if the voltage differs between the contact circuit and the excitation
coil circuit.
 If the ignition relay cannot turn OFF due to contact seizure, it activates the tail lamp relay for 10 minutes to
alert the user to the ignition relay malfunction when the ignition switch is turned OFF.
FRONT WIPER CONTROL
IPDM E/R detects front wiper stop position by a front wiper auto stop signal.
When a front wiper auto stop signal is in the conditions listed below, IPDM E/R stops power supply to wiper
after repeating a front wiper 10 seconds activation and 20 seconds stop five times.
Control part Fail-safe operation
Cooling fan Turns ON the cooling fan relay-2 and the cooling fan relay-3 when ignition switch is
turned ON (Cooling fan operates at HI)
 Turns OFF the cooling fan relay-1, the cooling fan relay-2 and the cooling fan relay-3
when the ignition switch is turned OFF (Cooling fan does not operate)
A/C compressor A/C relay OFF
Alternator Outputs the power generation command signal (PWM signal) 0%
Control part Fail-safe operation
Headlamp Turns ON the headlamp low relay when the ignition switch is turned ON
 Turns OFF the headlamp low relay when the ignition switch is turned OFF
 Headlamp high relay OFF
Parking lamps
 License plate lamps
 Illuminations
 Tail lamps Turns ON the tail lamp relay when the ignition switch is turned ON
 Turns OFF the tail lamp relay when the ignition switch is turned OFF
Front wiper The status just before activation of fail-safe control is maintained until the ignition
switch is turned OFF while the front wiper is operating at LO or HI speed.
 The wiper is operated at LO speed until the ignition switch is turned OFF if the fail-
safe control is activated while the front wiper is set in the INT mode and the front wiper
motor is operating.
Front fog lamps Front fog lamp relay OFF
Horn Horn OFF
Ignition relay The status just before activation of fail-safe is maintained.
Starter motor Starter control relay OFF
Steering lock unit Steering lock relay OFF
Headlamp washer relay Headlamp washer relay OFF
Voltage judgment
IPDM E/R judgment Operation
Ignition relay contact sideIgnition relay excitation coil
side
ON ON Ignition relay ON normal —
OFF OFF Ignition relay OFF normal —
ON OFF Ignition relay ON stuck Detects DTC “B2098: IGN RELAY ON”
 Turns ON the tail lamp relay for 10 min-
utes
OFF ON Ignition relay OFF stuck Detects DTC “B2099: IGN RELAY OFF”

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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NOTE:
This operation status can be confirmed on the IPDM E/R “Data Monitor” that displays “BLOCK” for the item
“WIP PROT” while the wiper is stopped.
STARTER MOTOR PROTECTION FUNCTION
IPDM E/R turns OFF the starter control relay to protect the starter motor when the starter control relay remains
active for 90 seconds.
DTC IndexINFOID:0000000003894276
NOTE:
 The details of time display are as follows.
- CRNT: A malfunction is detected now
- PAST: A malfunction was detected in the past.
 IGN counter is displayed on FFD (Freeze Frame data).
- The number is 0 when is detected now
- The number increases like 1 → 2 ··· 38 → 39 after returning to the normal condition whenever IGN OFF →
ON.
- The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
×: Applicable
Ignition switch Front wiper switch Front wiper auto stop signal
ONOFFThe front wiper auto stop signal (stop posi-
tion) cannot be input for 10 seconds.
ONThe front wiper auto stop signal does not
change for 10 seconds.
CONSULT display Fail-safe Refer to
No DTC is detected.
further testing
may be required.——
U1000: CAN COMM CIRCUIT×PCS-16
B2098: IGN RELAY ON×PCS-17
B2099: IGN RELAY OFF —PCS-18
B2108: STRG LCK RELAY ON —SEC-96
B2109: STRG LCK RELAY OFF —SEC-97
B210A: STRG LCK STATE SW —SEC-98
B210B: START CONT RLY ON —SEC-102
B210C: START CONT RLY OFF —SEC-103
B210D: STARTER RELAY ON —SEC-104
B210E: STARTER RELAY OFF —SEC-105
B210F: INTRLCK/PNP SW ON —SEC-107
B2110: INTRLCK/PNP SW OFF —SEC-109

EXL-156
< ECU DIAGNOSIS >[XENON TYPE]
AUTO LEVELIZER CONTROL UNIT
AUTO LEVELIZER CONTROL UNIT
Reference ValueINFOID:0000000003805622
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Monitor item Operating conditionDisplay item
(Approx.)
INT SEN VALUE Rear vehicle heightDetection upper limit 100 %
Detection lower limit 0 %
ACT OUTPUT Headlamp light axisControl upper limit 69.8 %
Control lower limit 14.5 %
ACT MEASURED Headlamp light axisDetection upper limit 69.8 %
Detection lower limit 14.5 %
SPEED SIG Vehicle running at approx. 40 km/h (25 MPH) 40 km/h (25 MPH)
LIGHT SIGNAL Tail lampON Battery voltage
OFF 2 V or less
INT SEN VOLT Ignition switchON Battery voltage
Other than ON 0 V
EXT SEN VOLT — —
EXT SEN SIG — —
JPLIA1155ZZ
Te r m i n a l N o .
(Wire color)Description
Operating conditionStandard
(Approx.)
+ - Signal nameInput/
Output
1
(B)Ground Ground — — 0 V
2
(G)Ground Ignition power supply Input Ignition switchON Battery voltage
OFF 0 V
4
(P/W)GroundVehicle speed signal
(8-pulse)InputVehicle running at approx. 40 km/h (25
MPH)
PKIA1935E

AUTO LEVELIZER CONTROL UNIT
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*: Auto levelizer control unit always outputs the voltage to detect the DTC.5
(O)Ground K-LINE — — —
6
(R/L)Ground Tail lamp signal Input Tail lampON Battery voltage
OFF 2 V or less*
7
(G/Y)GroundHeadlamp aiming
motor drive signalOutput Headlamp aimingUnder unladen
conditions8.7 V
At aiming operation
lower limit1.8 V Te r m i n a l N o .
(Wire color)Description
Operating conditionStandard
(Approx.)
+ - Signal nameInput/
Output

EXL-158
< ECU DIAGNOSIS >[XENON TYPE]
AUTO LEVELIZER CONTROL UNIT
Wiring Diagram — HEADLAMP AIMING CONTROL SYSTEM —
INFOID:0000000003805623
JCLWM1451GB

AUTO LEVELIZER CONTROL UNIT
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JCLWM1452GB

EXL-160
< ECU DIAGNOSIS >[XENON TYPE]
AUTO LEVELIZER CONTROL UNIT
JCLWM1453GB

AUTO LEVELIZER CONTROL UNIT
EXL-161
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Fail-safeINFOID:0000000003805624
JCLWM1454GB
DTC Fail-safe Cancellation
B2080: ECU TROUBLE Fix aiming motor drive signal to approximately 0 V Ignition switch OFF
B2081: INITIAL NOT DONE Fix with the light axis facing downwardWhen sensor initialization is
completed