KEYLESS CONTROL MODULE INSPECTION [ADVANCED KEYLESS ENTRY AND START 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 (Exterior, RF)(+) | Keyless antenna (Exterior, RF) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Exterior, RF)
1B | Keyless antenna (Exterior, RF)(-) | Keyless antenna (Exterior, RF) | Under any condition: Inspect for continuity to Keyless antenna. | Continuity detected | Keyless antenna (Exterior, RF)
1C | Keyless antenna (Exterior, LF)(+) | Keyless antenna (Exterior, LF) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Exterior, LF)
1D | Keyless antenna (Exterior, LF)(-) | Keyless antenna (Exterior, LF) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Exterior, LF)
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 | GND | Body ground | Under any condition | 1.0 or less | Related wiring harnesses
1H | GND | Body ground | Under any condition | 1.0 or less | Related wiring harnesses
1I | keyless antenna (Interior, rear)(+) | Keyless antenna (Interior, rear) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Interior, rear)
1J | Keyless antenna (Interior, rear)(-) | Keyless antenna (Interior, rear) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Interior, rear)
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)
1M | Keyless antenna (Interior, front center)(+) | Keyless antenna (Interior, front center) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Interior, front center)
1N | Keyless antenna (Interior, front center)(-) | Keyless antenna (Interior, front center) | Under any condition: Inspect for continuity to keyless antenna. | Continuity detected | Keyless antenna (Interior, front center)
2A | Power supply | BCM | Under any condition | B+ | BCM
2B | GND | Body ground | Under any condition | 1.0 or less | Related wiring harnesses
2C | IG1 | ENG.IGA 7.5 A fuse | Ignition switch is at ON position | B+ | ENG.IGA 7.5 A fuse
Ignition switch is at OFF or ACC position | 1.0 or less
2E | ACC | MIRROR 7.5 A fuse | Ignition switch is at ACC position | B+ | MIRROR 7.5 A fuse
Ignition switch is at OFF or ON position | 1.0 or less
2K | Beeper | Keyless beeper | Beeper operated | 1.0 or less | Keyless beeper
Other | 5.0
3A | Power supply (keyless receiver) | Keyless receiver | Under any condition | B+ | Keyless receiver
3C | Communication (Keyless receiver) | Keyless receiver | Under any condition: Inspect for continuity to keyless receiver. | Continuity detected | Keyless receiver
3E | Start knob (Push switch) | Steering lock unit | Start knob is pushed | B+ | Steering lock unit
Other | 1.0 or less
3F | Key reminder switch | Steering lock unit | Key reminder switch is ON | B+ | Steering lock unit
Other | 1.0 or less
3H | Communication (Steering lock unit) | Steering lock unit | Under any condition: Inspect for continuity to steering lock unit. | Continuity detected | Steering lock unit
3I | Request switch input (RF) | Request switch input (RF) | Request switch (RF) is ON: Inspect for continuity to ground. | Continuity detected | Request switch input (RF)
Request switch (RF) is OFF: Inspect for continuity to ground. | No continuity
3K | Request switch input (LF) | Request switch input (LF) | Request switch (LF) is ON: Inspect for continuity to ground. | Continuity detected | Request switch input (LF)
Request switch (LF) is OFF: Inspect for continuity to ground. | No continuity
3M | Request switch input (Liftgate) | Request switch input (Liftgate) | Liftgate request switch is ON: Inspect for continuity to ground. | Continuity detected | Request switch input (Liftgate)
Liftgate request switch is OFF: Inspect for continuity to ground. | No continuity
3N | Lock signal input | Door lock-link switch | Driver-side door is locked: Inspect for continuity to ground. | No continuity | Door lock-link switch
Driver-side door is unlocked: Inspect for continuity to ground. | Continuity detected
3Q | Communication (BCM) | BCM | Under any condition: Inspect for continuity to BCM. | Continuity detected | BCM
3U | Tx-PATS | Coil antenna | Ignition switch is at ON position | B+ | Coil antenna
Ignition switch is at OFF or ACC position | 1.0 or less
3V | Rx-PATS | Coil antenna | Ignition switch is at ON position | B+ | Coil antenna
Ignition switch is at OFF or ACC position | 1.0 or less
3W | HS-CAN- | PCM | Under any condition: Inspect for continuity to PCM. | Continuity detected | -
3X | HS-CAN+ | PCM | Under any condition: Inspect for continuity to PCM. | Continuity detected | -