Wireless Door Lock Ecu Circuit
NOTE:
Perform this procedure only when directed to by another test procedure.
Ensure all remote keyless entry system components are connected. Check circuit values by backprobing between ground and/or specified terminals at wireless door lock ECU. See Figure. Ensure circuit values are as specified under all listed conditions. See WIRELESS DOOR LOCK ECU CIRCUIT VALUES table. If circuit values are not as specified, check and repair wire harness and system components as necessary. If circuits are okay, wireless door lock ECU is faulty.
WIRELESS DOOR LOCK ECU CIRCUIT VALUES
| Test Connection | Condition | Circuit Value |
|---|---|---|
| 1 & Ground | Constant | 10-14 Volts |
| 2 & 3 | Buzzer Off | Less Than One Volt |
| 2 & 3 | Buzzer On | 8-10 Volts |
| 4 & Ground | Taillights Off | Less Than One Volt |
| 4 & Ground | Taillights Illuminated | 8-10 Volts |
| 5 & Ground | Luggage Compartment Door Key Switch In ON Position | Less Than One Megohm |
| 5 & Ground | Luggage Compartment Door Key Switch In OFF Position | One Megohm Or Greater |
| 7 & Ground | Driver's Door Key Lock/Unlock Switch In UNLOCK Position | Less Than 1.5 Volts |
| 7 & Ground | Driver's Door Key Lock/Unlock Switch In LOCK Position | 8-10 Volts |
| 8 & Ground | Constant | 10-14 Volts |
| 10 & Ground | Key Inserted Into Ignition Switch | Less Than One Volt |
| 10 & Ground | Key Removed From Ignition Switch | 10-14 Volts |
| 11 & Ground | Driver's Door Unlock Detection Switch In ON Position | Less Than One Volt |
| 11 & Ground | Driver's Door Unlock Detection Switch In OFF Position | 10-14 Volts |
| 12 & Ground | Passenger's Door Unlock Detection Switch In ON Position | Less Than One Volt |
| 12 & Ground | Passenger's Door Unlock Detection Switch In OFF Position | 10-14 Volts |
| 13 & Ground | Ignition Switch In OFF Or ACC Position | Less Than One Volt |
| 13 & Ground | Ignition Switch In ON Position | 10-14 Volts |
| 14 & Ground | Door Courtesy Switch In ON Position | Less Than One Volt |
| 14 & Ground | Door Courtesy Switch In OFF Position | 10-14 Volts |
| 15 & Ground | Door Key Lock/Unlock Switch In LOCK Position | Less Than One Volt |
| 15 & Ground | Door Key Lock/Unlock Switch In UNLOCK Position | 8-10 Volts |