Nissan Teana J32. Instruction — part 546
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 side
Ignition 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)
EXL-155
< ECU DIAGNOSIS >
[XENON TYPE]
C
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A
B
EXL
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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 Index
INFOID: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
ON
OFF
The front wiper auto stop signal (stop posi-
tion) cannot be input for 10 seconds.
ON
The 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
×
B2098: IGN RELAY ON
×
B2099: IGN RELAY OFF
—
B2108: STRG LCK RELAY ON
—
B2109: STRG LCK RELAY OFF
—
B210A: STRG LCK STATE SW
—
B210B: START CONT RLY ON
—
B210C: START CONT RLY OFF
—
B210D: STARTER RELAY ON
—
B210E: STARTER RELAY OFF
—
B210F: INTRLCK/PNP SW ON
—
B2110: INTRLCK/PNP SW OFF
—
EXL-156
< ECU DIAGNOSIS >
[XENON TYPE]
AUTO LEVELIZER CONTROL UNIT
AUTO LEVELIZER CONTROL UNIT
Reference Value
INFOID:0000000003805622
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Monitor item
Operating condition
Display item
(Approx.)
INT SEN VALUE
Rear vehicle height
Detection upper limit
100 %
Detection lower limit
0 %
ACT OUTPUT
Headlamp light axis
Control upper limit
69.8 %
Control lower limit
14.5 %
ACT MEASURED
Headlamp light axis
Detection 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 lamp
ON
Battery voltage
OFF
2 V or less
INT SEN VOLT
Ignition switch
ON
Battery voltage
Other than ON
0 V
EXT SEN VOLT
—
—
EXT SEN SIG
—
—
JPLIA1155ZZ
Terminal No.
(Wire color)
Description
Operating condition
Standard
(Approx.)
+
-
Signal name
Input/
Output
1
(B)
Ground
Ground
—
—
0 V
2
(G)
Ground
Ignition power supply
Input
Ignition switch
ON
Battery voltage
OFF
0 V
4
(P/W)
Ground
Vehicle speed signal
(8-pulse)
Input
Vehicle running at approx. 40 km/h (25
MPH)
PKIA1935E
AUTO LEVELIZER CONTROL UNIT
EXL-157
< ECU DIAGNOSIS >
[XENON TYPE]
C
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EXL
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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 lamp
ON
Battery voltage
OFF
2 V or less*
7
(G/Y)
Ground
Headlamp aiming
motor drive signal
Output
Headlamp aiming
Under unladen
conditions
8.7 V
At aiming operation
lower limit
1.8 V
Terminal No.
(Wire color)
Description
Operating condition
Standard
(Approx.)
+
-
Signal name
Input/
Output
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