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 |
Signal name |
Connected to |
Measured condition |
Voltage (V)/Continuity |
Inspection item(s) |
|
1A |
Door unlock control |
Door lock actuator (driver’s side) |
Door lock actuator unlocking |
1.0 or less → B+ → 1.0 or less |
|
|
Other |
1.0 or less |
||||
|
1B |
GND |
GND |
Under any condition: Inspect for continuity to GND. |
Continuity detected |
|
|
1C |
Door lock control |
Door lock actuator |
Door lock actuator locking |
1.0 or less → B+ → 1.0 or less |
|
|
Other |
1.0 or less |
||||
|
1D |
Door unlock control |
Door lock actuator (except driver’s side) |
Door lock actuator unlocking |
1.0 or less → B+ → 1.0 or less |
|
|
Other |
1.0 or less |
||||
|
1E |
Power supply |
D.LOCK 30 A fuse |
Under any condition |
B+ |
|
|
1F |
Power supply |
ROOM 15 A fuse |
Under any condition |
B+ |
|
|
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 |
|
3F |
Security light |
Instrument cluster |
Under any condition: Inspect for continuity to instrument cluster. |
Continuity detected |
Instrument cluster |
|
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 |
TPMS signal |
Instrument cluster |
Under any condition: Inspect for continuity to instrument cluster. |
Continuity detected |
Instrument cluster |
|
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 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 |
||||
|
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 |
||||
|
4B |
Lock/unlock input |
Door lock switch |
Door lock switch is locked |
2.5 |
|
|
Door lock switch is unlocked |
1.0 or less |
||||
|
Other |
5 |
||||
|
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 |
|
|
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 |
||||
|
4K |
Unlock input (trunk lid) |
Trunk key cylinder switch |
At the moment key cylinder is unlocked |
1.0 or less |
|
|
At the moment key cylinder is neutral position |
5 |
||||
|
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+ |
|
|
Press the UNLOCK button (transmitter) |
B+→1.0 or less→B+→1.0 or less→B+ |
||||
|
Other |
B+ |
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|
4Q |
Door switch signal (RH) output |
Door switch |
Door open (RH) (Door switch on) |
1.0 or less |
|
|
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*2 |
Serial communication |
Power window main switch |
Because this terminal is for communication, good/no good judgment by terminal voltage is not possible. |
- |
|
|
4T |
Door switch signal (LH) output |
Door switch |
Door open (LH) (Door switch on) |
1.0 or less |
|
|
Door closed (LH) (Door switch off) |
B+ |
||||
|
4U |
Horn on/off |
Horn relay |
Other |
B+ |
|
|
Transmitter LOCK button is pressed twice within 5 s. |
B+→1.0 or less→B+ |
||||
|
4V |
Hood switch signal |
Hood switch |
Hood open (Hood latch switch off) |
B+ |
|
|
Hood closed (Hood latch switch on) |
1.0 or less |
||||
|
4Y |
Keyless buzzer output |
Keyless buzzer |
Keyless buzzer operated |
B+ |
Keyless buzzer |
|
Other |
1.0 or less |
||||
|
4Z |
HS-CAN+ |
PCM |
Under any condition:
|
Continuity detected |
- |
|
4AA |
HS-CAN- |
PCM |
Under any condition:
|
Continuity detected |
- |