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Home >> Pontiac >> 2000 >> Firebird Formula, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System - Traction Control System - BOSCH 5.3 >> Diagnosis & Testing >> Diagnostic System Check

Diagnostic System Check

  1. Install scan tool. If scan tool powers up, go to next step. If scan tool does not power up, see SCAN TOOL DOES NOT POWER UP in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
  2. Turn ignition on, engine off. Try to establish scan tool communication with Electronic Brake Control Module (EBTCM) and Powertrain Control Module (PCM). If communication with modules is established, go to next step. If communication with modules is not established, see SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE in appropriate BODY CONTROL MODULES article in ACCESSORIES & EQUIPMENT.
  3. Select display DTC function for each module. Record all displayed DTCs, status of displayed DTCs and module that set DTC. If DTCs are displayed, go to next step. If no DTCs are displayed, see SYMPTOM DIAGNOSIS  .
  4. Retrieve codes and perform appropriate test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  table.