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INTELLIGENT KEY SYSTEM BL-127
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Revision: 2006 December 2006 FX35/FX45
3. CHECK KEY SWITCH SIGNAL CIRCUIT
1. Disconnect key switch and ignition knob switch connector and BCM connector.
2. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and BCM connector M3 termi-
nal 37 (B/W).
3. Check continuity between key switch and ignition knob switch connector M22 terminal 4 (B/W) and ground.
OK or NG
OK >> Key switch (BCM input) circuit is OK.
NG >> Repair or replace harness between key switch and ignition knob switch and BCM.
Check Ignition Knob SwitchNIS001NP
1. CHECK IGNITION KNOB SWITCH
With CONSULT-II
Display “PUSH SW” on “DATA MONITOR” screen, and check if ON/
OFF display is linked to ignition knob operation.
OK or NG
OK >> Ignition knob switch is OK.
NG >> GO TO 2.
2. CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect key switch and ignition knob switch connector.
3. Check voltage between key switch and ignition knob switch connector M22 terminal 1 (L/R) and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace key switch and ignition knob switch power supply circuit.
4 (B/W) – 37 (B/W) : Continuity should exist.
4 (B/W) – Ground : Continuity should not exist.
PIIA5095E
Press ignition knob. : ON
Return ignition knob (release hands
from ignition knob) : OFF
PIIB1360E
1 (L/R) - Ground : Battery voltage
PIIA6741E
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BL-128
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK IGNITION KNOB SWITCH OPERATION
Check continuity between key switch and ignition knob switch terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch and ignition knob switch.
4. CHECK IGNITION KNOB SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminal 27 (L/W) and key switch and igni- tion knob switch connector M22 terminal 2 (L/W).
3. Check continuity between key switch and ignition knob switch connector terminal 2 (L/W) and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair or replace harness between Intelligent Key unit
and key switch and ignition knob switch.
Connector Terminal Condition Continuity
M22 1 2 Press ignition knob Yes
Return ignition knob
(Release hands from
ignition knob) No
PIIA9929E
27 (L/W) - 2 (L/W) : Continuity should exist.
2 (L/W) - Ground : Continuity should not exist.
PIIA6743E
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INTELLIGENT KEY SYSTEM BL-129
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Revision: 2006 December 2006 FX35/FX45
Check Door SwitchNIS001NQ
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
1. CHECK DOOR SWITCH INPUT SIGNAL
1. Turn ignition knob LOCK position.
2. Check voltage between BCM connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2.
2. CHECK DOOR SWITCH CIRCUIT
1. Disconnect door switch and BCM connector.
2. Check continuity between door switch connector B26, B36, B46, B206 terminals 1 and BCM connector M3, B14 terminals 62, 12, 63, 13.
3. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Item Connector Terminals
(Wire color) Door
condition Voltage (V)
(Approx.)
(+) (-)
Driver side B14 62 (W)
Ground CLOSE
↓
OPEN Battery voltage
↓ 0
Rear LH 63 (P)
Passenger side M3 12 (P/B)
Rear RH 13 (P/L)
PIIA7003E
Driver side door
1 (W) –62 (W) : Continuity should exist.
Passenger side door
1 (SB) – 12 (P/B) : Continuity should exist.
Rear door LH
1 (P) – 63 (P) : Continuity should exist.
Rear door RH
1 (P) – 13 (P/L) : Continuity should exist.
1 (W, SB, P) – Ground : Continuity should not exist.
PIIA7004E
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BL-130
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK DOOR SWITCH
Check continuity between door switch terminal 1 and ground part of door switch.
OK or NG
OK >> Check door switch case ground condition.
NG >> Replace door switch.
CHECK BACK DOOR SWITCH
1. CHECK BACK DOOR SWITCH INPUT SIGNAL
Check voltage between BCM connector and ground.
OK or NG
OK >> Back door switch circuit is OK.
NG >> GO TO 2.
2. CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and back door closure motor connector.
3. Check continuity between BCM connector B14 terminal 58 and back door closure motor connector D109 terminal 7.
4. Check continuity between BCM connector B14 terminal 58 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace harness.
Terminal Door switch condition Continuity
1 Ground part of door switch Pushed No
Released Yes
PIIA3351E
Connector Terminals (Wire color)
Condition Voltage (V)
(Approx.)
(+) (–)
B14 58 (L) Ground OPEN 0
CLOSE 9
PIIA6229E
58 (L) – 7 (L) : Continuity should exist.
58 (L) – Ground : Continuity should not exist.
PIIA6226E
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INTELLIGENT KEY SYSTEM BL-133
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Revision: 2006 December 2006 FX35/FX45
Check Door Request SwitchNIS001NS
1. CHECK DOOR REQUEST SWITCH
With CONSULT-II
Display “DR REQ SW” (driver door), “AS REQ SW” (passenger
door) and “BD/TR REQ SW” (back door) on DATA MONITOR
screen, and check if ON-OFF display is linked to door request switch
operation.
OK or NG
OK >> Door request switch is OK.
NG >> GO TO 2.
2. CHECK DOOR REQUEST SWITCH SIGNAL
1. Turn ignition knob LOCK position.
2. Disconnect door request switch connector.
3. Check voltage between door request switch connector D12 (driver door), D42 (passenger door), D113 (back door) terminal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> GO TO 5.
3. CHECK DOOR REQUEST SWITCH OPERATION
Check continuity between door request switch D12 (driver door), D42 (passenger door), D113 (back door) ter-
minals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace door request switch. Press door request switch. : ON
Release door request switch. : OFF
PIIB1361E
Driver 1 (SB) - Ground : Approx. 5V
Passenger 1 (GY) - Ground : Approx. 5V
Back door 1 (GY) - Ground : Approx. 5V
PIIA6744E
Terminal Condition Continuity
12 Press door request switch Yes
Return door request switch No
PIIA9930E
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BL-134
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
4. CHECK DOOR REQUEST SWITCH GROUND CIRCUIT
Check continuity between door request switch connector D12 (driver side), D42 (passenger side), D113 (back
door) terminal 2 (B) and ground.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace door request switch ground circuit.
5. CHECK DOOR REQUEST SWITCH CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector M34 terminals 5 (driver door), 25 (passenger door), and 29 (back door) and door request switch connector D12 (driver door), D42 (passenger door),
D113 (back door) terminal 1.
3. Check continuity between door request switch connector D12 (driver door), D42 (passenger door), D113 (back door) terminal
1 and ground.
OK or NG
OK >> Replace Intelligent Key unit.
NG >> Repair or replace harness between Intelligent Key unit and door request switch.
Check Intelligent Key Warning BuzzerNIS001NT
1. CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Turn ignition knob LOCK position.
2. Disconnect Intelligent Key warning buzzer connector.
3. Check voltage between Intelligent Key warning buzzer connector D11 (driver side), D41 (passenger side) terminal 1 (L) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace Intelligent Key warning buzzer power
supply circuit.
2 (B) - Ground : Continuity should exist.
PIIA6746E
Driver 5 (W/L) - 1 (SB) : Continuity should exist.
Passenger 25 (W/R) - 1 (GY) : Continuity should exist.
Back door 29 (GY) - 1 (GY) : Continuity should exist.
1 - Ground : Continuity should not exist.
PIIA6747E
1 (L) - Ground : Battery voltage
PIIA6748E
Page 956 of 4462
BL-142
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
3. CHECK STOP LAMP SWITCH GROUND CIRCUIT
1. Check continuity between stop lamp switch connector E210 ter- minal 2 (P) and Intelligent Key unit connector M34 terminal 26
(P/L).
2. Check continuity between stop lamp switch connector E210 ter- minal 2 (P) and ground.
OK or NG
OK >> Stop lamp switch is OK.
NG >> Repair or replace harness.
Check Detention SwitchNIS001NY
1. CHECK DETENTION SWITCH INPUT SIGNAL
1. Turn ignition knob LOCK position.
2. Check voltage between Intelligent Key unit connector and ground.
OK or NG
OK >> Door switch circuit is OK.
NG >> GO TO 2. 2 (P) - 26 (P/L) : Continuity should exist.
2 (P) - Ground : Continuity should not exist.
PIIA6801E
Connector Terminal
(Wire color) Condition Voltage (V)
(Approx.)
(+) (-)
M34 39 (R/Y) Ground When selector lever is locked
at the “P” position 0
When selector lever is not
locked at the “P” position Battery voltage
PIIA6805E
Page 958 of 4462

BL-144
INTELLIGENT KEY SYSTEM
Revision: 2006 December 2006 FX35/FX45
4. DETENTION SWITCH GROUND CIRCUIT INSPECTION
Check continuity between A/T device (detention switch) connector
M67 terminal 2 (B) and ground.
OK or NG
OK >> Check harness connection.
NG >> Repair or replace harness.
Check Select Unlock RelayNIS001NZ
1. CHECK SELECT UNLOCK RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect passenger side select unlock relay connector.
3. Check voltage between passenger side select unlock relay con- nector M30 terminal 1 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair or replace passenger side select unlock relay power supply circuit.
2. CHECK HARNESS
1. Disconnect Intelligent Key unit connector.
2. Check continuity between passenger side select unlock relay connector M30 terminal 2 and Intelligent Key unit connector
M34 terminal 40.
3. Check continuity between passenger side select unlock relay connector M30 terminal 2 and ground.
OK or NG
OK >> Replace passenger side select unlock relay.
NG >> Repair or replace harness between passenger side select unlock relay and Intelligent Key unit. 2 (B) – Ground : Continuity should exist.
PIIA6809E
1 (L/R) – Ground : Approx. 12V
PIIA6954E
2 (BR/W) – 40 (BR/W) : Continuity should exist.
2 (BR/W) – Ground : Continuity should not exist.
PIIA6955E