KEYLESS CONTROL MODULE INSPECTION
id091400806400
1. Measure the voltage or inspect for continuity according to the Terminal Voltage Table (Reference).
Terminal Voltage Table (Reference)
amxzzw00002295
|
Terminal |
Signal name |
Connected to |
Measured condition |
Voltage (V)/Continuity |
Inspection item(s) |
---|---|---|---|---|---|
1A
|
Door lock control
|
Door lock actuator (driver-side)
|
Door lock actuator locking
|
1.0 or less → B+→ 1.0 or less
|
• Door lock actuator (driver-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 20 A fuse
|
Under any condition
|
B+
|
• D.LOCK 20 A fuse
• Battery
|
1F
|
Power supply
|
ROOM 15 A fuse
|
Under any condition
|
B+
|
• ROOM 15 A fuse
• Battery
|
3B
|
IG1
|
METER 15 A fuse
|
Ignition switch is at ON position
|
B+
|
METER 15 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
|
3F
|
Security light
|
Instrument cluster
|
Under any condition: Inspect for continuity to instrument cluster.
|
Continuity detected
|
Instrument cluster
|
3O
|
Key reminder switch
|
Steering lock unit
|
Key reminder switch is ON
|
B+
|
Steering lock unit
|
Other
|
1.0 or less
|
||||
3R
|
Theft-deterrent siren signal*1
|
Theft-deterrent siren
|
Theft-deterrent system arming
|
—
|
• Theft-deterrent siren
• Related wiring harnesses
|
Instrument cluster signal*2
|
Instrument cluster
|
Under any condition: Inspect for continuity to instrument cluster.
|
Continuity detected
|
• Instrument cluster
• Related wiring harnesses
|
|
3S
|
Power supply (keyless receiver)
|
Keyless receiver
|
Under any condition
|
B+
|
Keyless receiver
|
3U
|
Communication (keyless receiver)
|
Keyless receiver
|
Under any condition: Inspect for continuity to keyless receiver.
|
Continuity detected
|
Keyless receiver
|
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+
|
||||
3AB
|
Power supply
(With intruder sensor)
|
Intruder sensor
|
Under any condition
|
B+
|
Intruder sensor
|
3AD
|
Communication
(With intruder sensor)
|
Intruder sensor
|
Under any condition: Inspect for continuity to steering lock unit.
|
Continuity detected
|
Intruder sensor
|
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
|
||||
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
|
||||
4N
|
Hazard output
|
Hazard warning switch
|
Hazard warning switch is on.
|
1.0 or less
|
• Hazard warning switch
• Related wiring harnesses
|
Hazard warning switch is off.
|
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
|
||||
4P
|
Trunk lid opener output
|
Trunk lid opener relay
|
Press the trunk open switch
|
1.0 or less
|
• Trunk lid opener relay
• Related wiring harnesses
|
Other
|
B+
|
||||
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
|
||||
4S*1
|
Theft-deterrent siren signal
|
Theft-deterrent siren
|
Theft-deterrent system arming
|
—
|
• Theft-deterrent siren
• Related wiring harnesses
|
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 latch switch signal
|
Bonnet latch 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+
|
||||
4Z
|
HS-CAN-
|
—
|
Terminal used for communication therefore determination based on terminal voltage inspection not possible.
|
||
4AA
|
HS-CAN+
|
—
|
Terminal used for communication therefore determination based on terminal voltage inspection not possible.
|
Inspection Using an Oscilloscope (Reference)
Theft-deterrent siren signal
b3e0940wjk1
|