Description of On-Board Diagnostics

WARNING LAMP CONTROL

1. ABS warning lamp module
The ABS warning lamp module indicates the operating condition of the ABS.
The ABS warning lamp is turned on under the following conditions.
- During the initialization phase after ignition switch ON (3 seconds).
- In the event of inhibition of ABS functions by failure.
- When the system ECU is shut down even though ignition power is applied.
- During diagnostic mode.
- When the HECU connector is disconnected.

2. EBD warning lamp module
The EBD warning lamp module indicates the operating condition of the EBD. However, in case the parking brake switch is turned on, the EBD warning lamp is always turned on regardless of EBD functions.
The EBD warning lamp is turned on under the following conditions.
- During the initialization phase after ignition switch ON. (3 seconds).
- When the system ECU is shut down even though ignition power is applied.
- When the parking brake switch is ON or brake fluid is low level.
- In the event of inhibition of EBD functions by failure.

3. TCS lamp module
The TCS warning lamp module indicates the operating condition of the TCS.
The TCS warning lamp is turned on under the following conditions:
- During the initialization phase after ignition switch ON (3 seconds).
- In the event of inhibition of TCS functions by failure.
- When the TCS OFF switch is turned on.

TCS function lamp is turned on when the TCS functions are operating (Blinking - 2Hz).