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




