KEYLESS CONTROL MODULE INSPECTION [WITH ADVANCED KEYLESS SYSTEM]
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1. Measure the voltage or inspect for continuity according to the Terminal Voltage Table (Reference).
Terminal Voltage Table (Reference)
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|
Terminal |
Signal name |
Connected to |
Measured condition |
Voltage (V)/Continuity |
Inspection item(s) |
---|---|---|---|---|---|
1A
|
Door lock control
|
Door lock actuator (driver’s side)
|
Door lock actuator locking
|
1.0 or less → B+→ 1.0 or less
|
• Door lock actuator (driver’s side)
• Related wiring harnesses
|
Other
|
1.0 or less
|
||||
1B
|
GND
|
GND
|
Under any condition: Inspect for continuity to GND.
|
Continuity detected
|
• Related wiring harnesses
|
1C
|
Door unlock control
|
Door lock actuator
|
Door lock actuator unlocking
|
1.0 or less → B+→ 1.0 or less
|
• Door lock actuator
• Related wiring harnesses
|
Other
|
1.0 or less
|
||||
1D
|
Door lock control
|
Door lock actuator
|
Door lock actuator locking
|
1.0 or less → B+→ 1.0 or less
|
• Door lock actuator
• Related wiring harnesses
|
Other
|
1.0 or less
|
||||
1E
|
Power supply
|
D.LOCK 30 A fuse
|
Under any condition
|
B+
|
• D.LOCK 30 A fuse
• Battery
|
1F
|
Power supply
|
ROOM 15 A fuse
|
Under any condition
|
B+
|
• ROOM 15 A fuse
• Battery
|
2A
|
keyless antenna (exterior, RF)(+)
|
keyless antenna (exterior, RF)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, RF)
|
2B
|
keyless antenna (exterior, RF)(-)
|
keyless antenna (exterior, RF)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, RF)
|
2C
|
keyless antenna (exterior, LF)(+)
|
keyless antenna (exterior, LF)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, LF)
|
2D
|
keyless antenna (exterior, LF)(-)
|
keyless antenna (exterior, LF)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, LF)
|
2E
|
keyless antenna (exterior, rear) (+)
|
keyless antenna (exterior, rear)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, rear)
|
2F
|
keyless antenna (exterior, rear) (-)
|
keyless antenna (exterior, rear)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (exterior, rear)
|
2G
|
keyless antenna (interior, trunk) (+)
|
keyless antenna (interior, trunk)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, trunk)
|
2H
|
keyless antenna (interior, trunk) (-)
|
keyless antenna (interior, trunk)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, trunk)
|
2I
|
keyless antenna (interior, rear) (+)
|
keyless antenna (interior, rear)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, rear)
|
2J
|
keyless antenna (interior, rear) (-)
|
keyless antenna (interior, rear)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, rear)
|
2K
|
keyless antenna (interior, middle)(+)
|
keyless antenna (interior, middle)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, middle)
|
2L
|
keyless antenna (interior, middle)(-)
|
keyless antenna (interior, middle)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, middle)
|
3B
|
IG1
|
ENGINE 10 A fuse
|
Ignition switch is at ON position
|
B+
|
ENGINE 10 A fuse
|
Ignition switch is at LOCK or ACC position
|
1.0 or less
|
||||
3C
|
GND
|
body ground
|
Under any condition: Inspect for continuity to ground.
|
Continuity detected
|
GND
|
3G
|
keyless antenna (interior, front)(+)
|
keyless antenna (interior, front)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, front)
|
3H
|
keyless antenna (interior, front)(-)
|
keyless antenna (interior, front)
|
Under any condition: Inspect for continuity to keyless antenna.
|
Continuity detected
|
keyless antenna (interior, front)
|
3I
|
ACC
|
METER 10 A fuse
|
Ignition switch is at ACC position
|
B+
|
METER 10 A fuse
|
Ignition switch is at LOCK or ON position
|
1.0 or less
|
||||
3K
|
Buzzer (interior)
|
Instrument cluster
|
Buzzer operated
|
1.0 or less
|
Instrument cluster
|
Other
|
5.0
|
||||
3N
|
Start knob (push switch)
|
Steering lock unit
|
Start knob is Pushed
|
B+
|
Steering lock unit
|
Other
|
1.0 or less
|
||||
3O
|
Key reminder switch
|
Steering lock unit
|
Key reminder switch is ON
|
B+
|
Steering lock unit
|
Other
|
1.0 or less
|
||||
3P
|
Communication (Steering lock unit)
|
Steering lock unit
|
Under any condition: Inspect for continuity to steering lock unit.
|
Continuity detected
|
Steering lock unit
|
3R
|
Theft-deterrent siren signal
|
Theft-deterrent siren
|
Theft-deterrent system arming
|
—
|
• Theft-deterrent siren
• Related wiring harnesses
|
3S
|
Power supply (keyless receiver, front)
|
Keyless receiver, front
|
Under any condition
|
B+
|
Keyless receiver, front
|
3U
|
Communication (keyless receiver, front)
|
Keyless receiver, front
|
Under any condition: Inspect for continuity to keyless receiver, front.
|
Continuity detected
|
Keyless receiver, front
|
3V
|
Power supply (keyless receiver, rear)
|
Keyless receiver, rear
|
Under any condition
|
B+
|
Keyless receiver, rear
|
3X
|
Communication (keyless receiver, rear)
|
Keyless receiver, rear
|
Under any condition: Inspect for continuity to keyless receiver, rear.
|
Continuity detected
|
Keyless receiver, rear
|
3Y*1
|
Tx-PATS
|
Coil antenna
|
Ignition switch is at ON position
|
B+
|
Coil antenna
|
Ignition switch is at LOCK or ACC position
|
1.0 or less
|
||||
3Z
|
Trunk open signal
|
Trunk compartment light switch
|
Trunk lid open
(trunk compartment light switch on)
|
1.0 or less
|
• Trunk compartment light switch
• Related wiring harnesses
|
Trunk lid closed
(trunk compartment light switch off)
|
B+
|
||||
3AA*1
|
Rx-PATS
|
Coil antenna
|
Ignition switch is at ON position
|
5.0
|
Coil antenna
|
Ignition switch is at LOCK or ACC position
|
1.0 or less
|
||||
3AB
|
Power supply (intruder sensor)
|
Intruder sensor
|
Under any condition
|
B+
|
Intruder sensor
|
3AD
|
Communication (intruder sensor)
|
Intruder sensor
|
Under any condition: Inspect for continuity to steering lock unit.
|
Continuity detected
|
Intruder sensor
|
4A*1
|
Tx
|
Instrument cluster
|
Ignition switch is at ON position
|
B+
|
Instrument cluster
|
Ignition switch is at LOCK or ACC position
|
1.0 or less
|
||||
4C*1
|
Rx
|
Instrument cluster
|
Ignition switch is at ON position
|
B+
|
Instrument cluster
|
Ignition switch is at LOCK or ACC position
|
1.0 or less
|
||||
4E
|
Lock signal input
|
Door lock-link switch (driver-side)
|
Driver-side door is locked: Inspect for continuity to ground.
|
Continuity detected
|
Door lock-link switch (driver-side)
|
Driver-side door is unlocked: Inspect for continuity to ground.
|
No continuity
|
||||
4G
|
Lock/unlock input
|
Driver-side door key cylinder switch
|
At the moment key cylinder is locked
|
2.5
|
• Driver-side door key cylinder switch
• Related wiring harnesses
|
At the moment key cylinder is unlocked
|
1.0 or less
|
||||
At the moment key cylinder is neutral position
|
5
|
||||
4H
|
Request switch input (RH)
|
Request switch (RH)
|
Request switch (RH) is ON: Inspect for continuity to ground.
|
Continuity detected
|
Request switch (RH)
|
Request switch (RH) is OFF: Inspect for continuity to ground.
|
No continuity
|
||||
4I
|
Unlock signal input
|
Door lock-link switch (driver-side)
|
Driver-side door is unlocked: Inspect for continuity to ground.
|
Continuity detected
|
Door lock-link switch (driver-side)
|
Driver-side door is locked: Inspect for continuity to ground.
|
No continuity
|
||||
4J
|
Request switch input (LH)
|
Request switch (LH)
|
Request switch (LH) is ON: Inspect for continuity to ground.
|
Continuity detected
|
Request switch (LH)
|
Request switch (LH) is OFF: Inspect for continuity to ground.
|
No continuity
|
||||
4L
|
Request switch input (trunk lid)
|
Request switch (trunk lid)
|
Trunk lid request switch is ON: Inspect for continuity to ground.
|
Continuity detected
|
Request switch (trunk lid)
|
Trunk lid request switch is OFF: Inspect for continuity to ground.
|
No continuity
|
||||
4N
|
Hazard output
|
Hazard warning light
|
Press the LOCK button (transmitter)
|
B+→1.0 or less→B+
|
• Hazard warning light
• Related wiring harnesses
|
Press the UNLOCK button (transmitter)
|
B+→1.0 or less→B+→1.0 or less→B+
|
||||
Other
|
B+
|
||||
4O
|
Trunk lid opener switch input
|
Trunk lid opener switch
|
Trunk lid opener switch on
|
B+
|
• Trunk lid opener switch
• Related wiring harnesses
|
Trunk lid opener switch off
|
1.0 or less
|
||||
4Q
|
Door switch signal (RH) output
|
Door switch
|
Door open (RH)
(Door switch on)
|
1.0 or less
|
• Door switch (RH)
• Related wiring harnesses
|
Door closed (RH)
(Door switch off)
|
B+
|
||||
4R
|
Unlock signal input
|
Door lock-link switch (passenger-side)
|
Passenger-side door is unlocked: Inspect for continuity to ground.
|
Continuity detected
|
Door lock-link switch (passenger-side)
|
Passenger-side door is locked: Inspect for continuity to ground.
|
No continuity
|
||||
4T
|
Door switch signal (LH) output
|
Door switch
|
Door open (LH)
(Door switch on)
|
1.0 or less
|
• Door switch (LH)
• Related wiring harnesses
|
Door closed (LH)
(Door switch off)
|
B+
|
||||
4V
|
Bonnet switch signal
|
Bonnet switch
|
Bonnet open
(Bonnet latch switch off)
|
B+
|
• Bonnet latch switch
• Related wiring harnesses
|
Bonnet closed
(Bonnet latch switch on)
|
1.0 or less
|
||||
4W
|
Top lock switch signal
|
Top lock switch
|
Convertible top open
(Top lock switch on)
|
1.0 or less
|
• Top lock switch
• Related wiring harnesses
|
Convertible top closed
(Top lock switch off)
|
B+
|
||||
4Y
|
Keyless buzzer output
|
Keyless buzzer
|
Keyless buzzer operated
|
B+
|
Keyless buzzer
|
Other
|
1.0 or less
|
||||
4Z
|
HS-CAN+
|
PCM
|
Under any condition:
• Inspect for continuity to PCM.
• Inspect for continuity to instrument cluster.
|
Continuity detected
|
-
|
4AA
|
HS-CAN-
|
PCM
|
Under any condition:
• Inspect for continuity to PCM.
• Inspect for continuity to instrument cluster.
|
Continuity detected
|
-
|
Inspection Using an Oscilloscope (Reference)
Theft-deterrent siren signal
b3e0940wjk1
|