Verification Test VER-1A - System Verification Test
- Disconnect all previously connected jumper wires. Reconnect all previously disconnected connectors. Reinstall all previously removed relays. Replace any blown fuses. Using DRB, erase DTC messages. Cycle ignition off and then on. Using DRB, monitor read DTC message display for 3 minutes. If DRB displays any DTC messages, perform TEST 1A.
- If DRB does not display any DTC messages, using DRB, read brakelight switch input. Depress brake pedal. If DRB does not display PRESSED, perform VERIFICATION TEST VER-1B. If DRB displays PRESSED, using DRB, read "G" SWITCH input. If DRB does not display "G" SWITCH #1 CLOSED, "G" SWITCH #2 CLOSED, perform TEST 3A.
- If DRB displays No. 1 and 2 "G" switch CLOSED, with DRB in ABS TEVES diagnostic mode, check ANTI-LOCK warning light. If warning light is off, perform, VERIFICATION TEST VER-1C. If warning light is flashing, depress brake pedal. Using DRB, actuate left front outlet valve.
- If brake pedal "drop" was not felt when valve was actuated, replace hydraulic control unit. Perform VERIFICATION TEST VER-1A. If brake pedal "drop" was felt when valve was actuated, release brake pedal. Depress brake pedal. Using DRB, actuate right front outlet valve.
- If brake pedal "drop" was not felt when valve was actuated, replace hydraulic control unit. Perform VERIFICATION TEST VER-1A. If brake pedal "drop" was felt when valve was actuated, release brake pedal. Depress brake pedal. Using DRB, actuate rear outlet valve.
- If brake pedal "drop" was not felt when valve was actuated, replace hydraulic control unit. Perform VERIFICATION TEST VER-1A. If brake pedal "drop" was felt when valve was actuated, road test vehicle for a minimum of 5 minutes and perform several anti-lock braking stops.
- Using DRB, read DTC messages. If DRB displays any faults, perform TEST 1A. If DRB displays no faults, system is operating properly.