2007 INFINITI M35 Factory Service Manual

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Page 4345 of 4647

INFINITI M35 2007 Factory Service Manual SE-146
HEATED SEAT
Revision: 2007 April2007 M35/M45
SchematicNIS00282
TIWT1397E

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INFINITI M35 2007 Factory Service Manual HEATED SEAT
SE-147
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Revision: 2007 April2007 M35/M45
Wiring Diagram — HSEAT —NIS00283
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INFINITI M35 2007 Factory Service Manual SE-148
HEATED SEAT
Revision: 2007 April2007 M35/M45
TIWT1399E

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INFINITI M35 2007 Factory Service Manual HEATED SEAT
SE-149
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INFINITI M35 2007 Factory Service Manual SE-150
HEATED SEAT
Revision: 2007 April2007 M35/M45
TIWT1454E

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INFINITI M35 2007 Factory Service Manual HEATED SEAT
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INFINITI M35 2007 Factory Service Manual SE-152
HEATED SEAT
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for Rear Seat Control UnitNIS00284
Work FlowNIS00285
1. Check the symptom and customers requests.
2. Understand the

SE-152
HEATED SEAT
Revision: 2007 April2007 M35/M45
Terminals and Reference Values for Rear Seat Control UnitNIS00284
Work FlowNIS00285
1. Check the symptom and customer's requests.
2. Understand the outline of system. Refer to SE-144, "
System Description" .
3. According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to SE-152,
"Trouble Diagnoses Symptom Chart" .
4. Does heated seat operate normally? YES: GO TO 5, NO: GO TO 3.
5. INSPECTION END.
Trouble Diagnoses Symptom ChartNIS00286
Check that other systems using the signal of the following systems operate normally.
TerminalWire
colorItemSignal
Input/OutputConditionVoltage (V)
(Approx.)
1 R Power source (BAT) Input — Battery voltage
4 R/B Power source (IGN) Input — Battery voltage
5 R/Y Seat heater HI signal InputSeat heater HI operation Battery voltage
Other than above 0
6 R/L Seat heater LO signal InputSeat heater LO operation Battery voltage
Other than above 0
8 B/L Ground (power) — — 0
9 W/B Heated seat indicator HI signal OutputHeater HI operation (lit) 0
Other than above Battery voltage
13 B/Y Ground (signal) — — 0
14 W/G Heated seat indicator LO signal OutputHeater LO operation (lit) 0
Other than above Battery voltage
17 W/L Heated seat switch HI signal InputHeated seat switch (HI) – ON (pressed) 0
Heated seat switch (HI) – OFF Battery voltage
18 W Heated seat switch LO signal InputHeated seat switch (LO) – ON (pressed) 0
Heated seat switch (LO) – OFF Battery voltage
Symptom Diagnoses / service procedure Refer to page
Rear heated seat LH and RH does not operate.Check rear heated seat power supply and ground
circuitSE-153
Rear heated seat LH or RH do not operate.1. Check rear seat control unit power supply and
ground circuitSE-1542. Check rear heated seat switch circuit SE-156
3. Check rear seatback heater circuit SE-162
4. Replace rear LH or RH seat control unitSE-144
Rear heated seat do not operate with LO or HI position.1. Check rear heated seat switch circuitSE-1562. Check rear heated seat circuitSE-161
Rear heated seat LH or RH indicator do not operate.Check rear heated seat indicator power supply
circuit SE-158
Rear heated seat indicator do not operate with LO or HI position Check rear heated seat indicator circuit SE-159

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INFINITI M35 2007 Factory Service Manual HEATED SEAT
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Revision: 2007 April2007 M35/M45
Check Rear Heated Seat Power Supply and Ground CircuitNIS00287
1. CHECK FUSIBLE LINK AND FUSE
Check 50A fusible link (let

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