1. Measure the voltage at each terminal.
2. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, perform symptom troubleshooting.
|
Terminal
|
Signal name
|
Connected to
|
Measurement condition
|
Voltage (V)/Continuity
|
Inspection item (s)
|
|---|---|---|---|---|---|
|
A
|
Power supply
|
ROOM 15 A fuse
|
Under any condition
|
B+
|
ROOM 15 A fuse
|
|
B
|
ENABLE
|
Keyless unit
|
Any transmitter button is operated without key in steering lock (key reminder switch off).
|
5→ 1.0 or less
|
• Transmitter
• Keyless unit (See KEYLESS UNIT INSPECTION)
• Inspect related harness.
|
|
Key is in steering lock (key reminder switch on).
|
5
|
||||
|
C
|
DATA
|
Keyless unit
|
Any transmitter button is operated without key in steering lock (key reminder switch off).
|
1.0 or less → changes positively
|
• Transmitter
• Keyless unit (SEE KEYLESS UNIT INSPECTION)
• Inspect related harness.
|
|
Key is in steering lock (key reminder switch on).
|
1.0 or less
|
||||
|
E
|
GND
|
Body ground
|
Under any condition: Inspect for continuity to ground.
|
Continuity detected
|
GND
|