Repair Guideline Tester-Display No. Work Instructions Set Value Fault Codes Connection Troubleshooting : Set Value : Causation : 31 ABS REPAIR GUIDELINES 5 Electrical pump Ignition on Only running C2402 Ground pin 16 motor circuit failure during a regulation Positive pin 17 • Initiation fault First, not during a Motor relay, regulation Inside ECU • Running-on fault Second, actuated pump Pump motor motor with diagnostic- pin 2 tester. • Ignition on • Is pump-motor running? • Pump motor is not • Pump motor is defect actuated • Start pump motor with diagnostic • Pump motor is • ECU defect tester. running • End of running • Pump motor runs out with discharge- speed (not stopped directly) • Elimination: Replace ABS unit completed
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