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).

  • If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item(s)” and related wiring harnesses.

Terminal Voltage Table (Reference)

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Terminal | Signal name | Connected to | Measured condition | Voltage (V)/Continuity | Inspection item(s)
--- | --- | --- | --- | --- | ---
1A | keyless antenna (driver-side)(+) | keyless antenna (driver-side) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (driver-side)
1B | keyless antenna (driver-side)(-) | keyless antenna (driver-side) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (driver-side)
1C | keyless antenna (passenger-side)(+) | keyless antenna (passenger-side) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (passenger-side)
1D | keyless antenna (passenger-side)(-) | keyless antenna (passenger-side) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (passenger-side)
1E | keyless antenna (exterior, rear) (+) | keyless antenna (exterior, rear) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (exterior, rear)
1F | keyless antenna (exterior, rear) (-) | keyless antenna (exterior, rear) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (exterior, rear)
1G | 4SD • keyless antenna (interior, rear) (+) 5HB, WGN • keyless antenna (interior, RR) (+) | 4SD • keyless antenna (interior, rear) 5HB, WGN • keyless antenna (interior, RR) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | 4SD • keyless antenna (interior, rear) 5HB, WGN • keyless antenna (interior, RR)
1H | 4SD • keyless antenna (interior, rear) (-) 5HB, WGN • keyless antenna (interior, RR) (-) | 4SD • keyless antenna (interior, rear) 5HB, WGN • keyless antenna (interior, RR) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | 4SD • keyless antenna (interior, rear) 5HB, WGN • keyless antenna (interior, RR)
1I*1 | keyless antenna (interior, RL) (+) | keyless antenna (interior, RR) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, RR)
1J*1 | keyless antenna (interior, RL) (-) | keyless antenna (interior, RL) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, RL)
1K | keyless antenna (interior, middle)(+) | keyless antenna (interior, middle) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, middle)
1L | keyless antenna (interior, middle)(-) | keyless antenna (interior, middle) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, middle)
2B | 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
2C | GND | body ground | Under any condition: Inspect for continuity to ground. | Continuity detected | GND
2D | Power supply | ROOM 15 A fuse | Under any condition | B+ | • ROOM 15 A fuse • Battery
2G | keyless antenna (interior, front)(+) | keyless antenna (interior, front) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, front)
2H | keyless antenna (interior, front)(-) | keyless antenna (interior, front) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | keyless antenna (interior, front)
2I | 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
2K | Buzzer (interior) | Instrument cluster | Buzzer operated | 1.0 or less | Instrument cluster
Other | 5.0
2N | Start knob (push switch) | Steering lock unit | Start knob is Pushed | B+ | Steering lock unit
Other | 1.0 or less
2O | Key reminder switch | Steering lock unit | Key reminder switch is ON | B+ | Steering lock unit
Other | 1.0 or less
2P | Communication (steering lock unit) | Steering lock unit | Under any condition: Inspect for continuity to steering lock unit. | Continuity detected | Steering lock unit
2R | Communication (BCM) | BCM | Under any condition: Inspect for continuity to BCM. | Continuity detected | BCM
2S | Power supply (keyless receiver) | Keyless receiver | Under any condition | B+ | Keyless receiver
2U | Communication (keyless receiver) | Keyless receiver | Under any condition: Inspect for continuity to keyless receiver. | Continuity detected | Keyless receiver
2Y*2 | 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
2AA*2 | 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
3A*2 | Tx | PCM | Ignition switch is at ON position | B+ | PCM
Ignition switch is at LOCK or ACC position | 1.0 or less
3C*2 | Rx | PCM | Ignition switch is at ON position | B+ | PCM
Ignition switch is at LOCK or ACC position | 1.0 or less
3E | Lock signal input | Door lock-link switch | Driver-side door is locked: Inspect for continuity to ground. | Continuity detected | Door lock-link switch
Driver-side door is unlocked: Inspect for continuity to ground. | No continuity
3H | Request switch input (driver-side) | Request switch (driver-side) | Driver-side request switch is ON: Inspect for continuity to ground. | Continuity detected | Request switch (driver-side)
Driver-side request switch is OFF: Inspect for continuity to ground. | No continuity
3J | Request switch input (passenger-side) | Request switch (passenger-side) | Passenger-side request switch is ON: Inspect for continuity to ground. | Continuity detected | Request switch (passenger-side)
Passenger-side request switch is OFF: Inspect for continuity to ground. | No continuity
3L | Request switch input (trunk lid/liftgate) | Request switch (trunk lid/liftgate) | Trunk lid request switch is ON: Inspect for continuity to ground. | Continuity detected | Request switch (trunk lid/liftgate)
Trunk lid request switch is OFF: Inspect for continuity to ground. | No continuity
3O | Brake signal | Brake switch | Stop light switch is ON | B+ | Brake switch
Stop light switch is OFF | 1.0 or less
3Y | Keyless buzzer output | Keyless buzzer | Keyless buzzer operated | B+ | Keyless buzzer
Other | 1.0 or less
3Z | HS-CAN+ | PCM | Under any condition: • Inspect for continuity to PCM. • Inspect for continuity to instrument cluster. | Continuity detected | -
3AA | HS-CAN- | PCM | Under any condition: • Inspect for continuity to PCM. • Inspect for continuity to instrument cluster. | Continuity detected | -

*1 :5HB, WGN only
*2 :With immobilizer system