Preliminary System Inspection

PRELIMINARY CHECK
Basic Inspection 1: Brake Fluid Level And Leakage
1. Check brake fluid level in reservoir tank. Replenish brake fluid if necessary.
2. Check for leakage at or around brake piping and Anti-lock Brake System (ABS) actuators. If leakage or seepage is noted, proceed as follows:
- If ABS actuator connectors are loose, tighten to specified torque. Recheck to ensure that leakage is no longer present.
- If flare nut threads at piping connectors or actuator threads are damaged, replace faulty parts with new ones. Recheck to ensure that leakage is no longer present.
- If brake fluid leaks through areas other than actuator connectors, wipe off using a clean cloth. Recheck for leakage or seepage. If necessary, replace faulty parts with new ones.
- If brake fluid leaks at or seeps through actuators, wipe off using a clean cloth. Recheck for leakage or seepage. If necessary, replace with new actuators.

CAUTION: ABS actuators cannot be disassembled. Relay units can be replaced alone.

3. Check brake booster for proper operation.
4. Check brake disc rotor and pad condition.

Basic Inspection 2: Loose Power Line Terminal And Power Voltage
Check battery terminals (positive and negative) and battery mounting (ground) for looseness. If necessary, tighten to specified torque. Also check for low battery voltage.

Basic Inspection 3: Slip, TCS Off Indicator And ABS Warning Lamp
1. Turn ignition switch "ON" to ensure that TCS OFF indicator lights. If TCS OFF indicator lamp does not light, check TCS OFF circuit.
(Refer to diagnostic procedure 19 "TCS OFF indicator lamp does not come on when ignition switch is turned on." Diagnostic Test Procedure 19
2. Turn ignition switch "ON" to ensure that SLIP indicator lights. If SLIP indicator lamp does not light, check SLIP indicator lamp circuit.
(Refer to diagnostic procedure 18 "SLIP indicator lamp does not come on when ignition switch is turned on." Diagnostic Test Procedure 18
3. Turn ignition switch "ON" to ensure that Anti-lock Brake System (ABS) warning lamp lights. If ABS warning lamp does not light, check ABS warning lamp circuit.
(Refer to diagnostic procedure 20 "ABS warning lamp does not come on when ignition switch is turned on." Diagnostic Test Procedure 20
4. Check to ensure that SLIP indicator lamp, TCS OFF indicator lamp and ABS warning lamp go out approximately 1 second after engine starts. If SLIP indicator lamp, TCS OFF indicator lamp and ABS warning lamp do not go out, perform self-diagnostic procedures.
5. After driving vehicle at 30 km/h (19 MPH) for more than 1 minute, check to ensure that SLIP indicator lamp, TCS OFF indicator lamp and ABS warning lamp remain off. If SLIP indicator lamp, TCS OFF indicator lamp and ABS warning lamp light, perform self-diagnostic procedures.
6. While running engine, turn TCS OFF switch "ON" and "OFF" to ensure that TCS OFF indicator lights and goes out correspondingly. If TCS OFF indicator lamp does not correspond with switch operation, check TCS OFF switch circuit.
(Refer to Diagnostic Procedure 22 "INOPERATIVE TCS OFF SWITCH." Diagnostic Test Procedure 22
7. Start engine to ensure that TCS OFF indicator lamp goes out. If TCS OFF indicator lamp remains on for more than 10 seconds after engine starts, perform self-diagnostic procedures.
8. Drive vehicle at 30 km/h (19 MPH) for more than 1 minute to ensure that TCS OFF indicator lamp remains off. If TCS OFF indicator lights, perform self-diagnostic procedures.*1
9. After performing self-diagnostic procedures, be sure to erase trouble stored in memory.

*1: If a wheel sensor should send a signal (shorts), drive the vehicle at about 30 km (19 MPH) for about 1 minute until the ABS warning lamp goes out.