Test VER-1A: System Verification Test
NOTE:
For connector terminal identification, refer to CONNECTOR IDENTIFICATION . For wiring diagrams, refer to WIRING DIAGRAMS .
- Disconnect all previously connected jumper wires. Reconnect all previously disconnected connectors. Reinstall all previously removed relays. Using DRB, erase fault messages. Turn ignition off and then on. Using DRB, read fault messages. If any fault messages are displayed, go to TEST 1A. If no fault messages are displayed, go to next step.
- Turn ignition on. While observing brakelights, depress and release brake pedal. If brakelights are not operating properly, repair as necessary. Repeat TEST VER-1A: SYSTEM VERIFICATION TEST . If brakelights are okay, go to next step.
- Using DRB, select and monitor STOP LAMP SWITCH INPUT. If DRB does not display OFF when brake pedal is released, replace CAB. Repeat TEST VER-1A: SYSTEM VERIFICATION TEST . If DRB displays OFF when brake pedal is released, go to next step.
- Depress brake pedal. If DRB does not display ON, perform TEST VER-1B. If DRB displays ON, go to next step.CAUTION: Ensure braking capability is available before road testing vehicle.
- Road test vehicle for a minimum of 5 minutes at 25-30 MPH. Perform several anti-lock brake stops. Using DRB, read fault messages. If any fault messages are displayed, go to TEST 1A. If no fault messages are displayed, ABS is operating properly.