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Fault code 60: Diagnosis/troubleshooting

DIAGNOSIS/TROUBLESHOOTING (FAULT CODE 60)

Work instruction Display OK If not OK
1 Check switch for central locking.
  • Select Central locking button  in the Input signals menu item.
  • Actuate central locking switch and check the statuses on the screen.
 Step 2 Step 5
2 Check wiring between the alarm system control module and the door locks for short circuit to ground.
  • Pull plugs A and B off the alarm system control module.
  • Pull plug off both door locks.
  • Measure resistance between plug A on alarm system control module pin 5 and ground.
  • Measure resistance between plug A on alarm system control module pin 28 and ground.
  • Measure resistance between plug A on alarm system control module pin 30 and ground.
  • Measure resistance between plug A on alarm system control module pin 32 and ground.
  • Measure resistance between plug B on alarm system control module pin 8 and ground.
  • Measure resistance between plug B on alarm system control module pin 9 and ground.
 Step 3 Repair wiring harness.
->End
3 Check wiring between the alarm system control module and the door locks for open circuit.
  • Measure resistance between plug A on alarm system control module pin 5 and pin 7 on plug of door lock on driver's side.
  • Measure resistance between plug A on alarm system control module pin 28 and pin 7 on plug of door lock on passenger's side.
  • Measure resistance between plug A on alarm system control module pin 30 and pin 3 on plug of door lock on driver's side.
  • Measure resistance between plug A on alarm system control module pin 32 and pin 3 on plug of door lock on passenger's side.
  • Measure resistance between plug B on alarm system control module pin 9 and pin 2 on plug of door lock on driver's and passenger's side.
  • Measure resistance between plug B on alarm system control module pin 9 and ground.
 < 5
Step 4		 Repair wiring harness.
->End
4 Check micro switches of the two door locks (possible detection of faulty driver's/passenger's door lock).
  • Push plugs A and B back onto the alarm system control module.
  • Reconnect plugs to both door locks.
  • Close doors.
  • Vehicle not secured and not locked.
  • Select Driver's side locked, Passenger's side locked, Driver's side secured  and Passenger's side secured  in the Input signals menu item.
 Driver's side not locked.
Passenger's side not locked.
Driver's side not secured (not applicable to USA vehicles).
Passenger's side not secured (not applicable to USA vehicles).
Step 12		 Step 11
5 Check central locking switch.
  • Remove central locking switch and pull plug off the switch.
  • Measure resistance between pins 4 and 1 on the central locking switch.
 Central locking switch actuated to closed 
< 5
Central locking switch not actuated to closed 
Step 6		 Replace central locking switch.
->End
6 Check central locking switch.
  • Measure resistance between pins 4 and 2 on the central locking switch.
 Central locking switch actuated to open 
< 5
Central locking switch not actuated to open 
Step 7		 Replace central locking switch.
->End
7 Check wire from the central locking switch to the control module for short circuit to ground.
  • Pull plug off central locking switch.
  • Pull plug A off the alarm system control module.
  • Measure resistance between plug A on control module pin 29 and ground.
 Step 8 Repair wiring harness.
->End
8 Check wire from the central locking switch to the control module for open circuit.
  • Measure resistance between plug A on control module pin 29 and plug on central locking switch pin 1.
 < 5
Step 9		 Repair wiring harness.
->End
9 Check wire from the central locking switch to the control module for open circuit.
  • Measure resistance between pins 1 and 2 of plug for central locking switch.
 Approx. 180 at 20 °C.
Step 10		 Repair wiring harness.
->End
10 Check wire from fuse C 3 to central locking switch.
  • Switch on ignition.
  • Measure voltage between plug on the central locking system pin 4 and ground.
 > 11 V
Step 12		 Check fuse C 3 or repair wiring harness.
->End
11
  • Depending on the test result of the input signals test in step 4, replace the driver's/passenger's door lock.
 ->End
12
  • Replace alarm system control module.
 ->End
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