WIS Document: 4038

| | Door indication, driver and passenger doors Fault symptom Alarm not armed. Doors disconnected from alarm function. Diagnostic procedure 1 Check the "DOOR OPEN" indicator lamp | - | Close all doors. | - | Open and close one door at a time, observing the "DOOR OPEN" indicator lamp in the main instrument display panel. | - | Repeat the process for all doors. Is the indicator lamp working correctly? | yes Continue with point 4. | no Continue with point 2. 2 Check diagnostic trouble codes in ICE | - | Connect the ISAT scan tool. | - | Select "ICE". | - | Select "READ FAULT CODES". | - | Check whether diagnostic trouble code B1437, "DOOR OPEN" indicator lamp shorted to Batt+, is stored. Is the DTC present? | yes Continue fault diagnosis as described in Service Manual 3:5 Electrical system "ICE". | no Continue with point 3. 3 Check the "DOOR OPEN" indicator lamp | - | Select "ICE". | - | Select "ACT.INSTR.FUNCT". | - | Select "DOOR INDIC.LAMP". By selecting "ON" and "OFF", the above command controls the "DOOR OPEN" indicator lamp. Does the indicator lamp come on when activated? | yes Continue fault diagnosis as described in Service Manual 3:5 Electrical system "ICE", checking door switches. If the indicator lamp remains on continuously, proceed to point 5 after checking other parts as above. | no Continue fault diagnosis as described in Service Manual 3:5 Electrical system "ICE" or "MIU". 4 Check the operation of the door switches | - | Select "THEFT ALARM". | - | Select "READ VALUES". | - | Select "PASSENGER DOOR". | - | Close all doors. | - | Open and close one door at a time while observing the ISAT scan tool display. | - | Repeat the process for all doors. Is ISAT indicating correctly? | yes Continue with point 6. | no Continue with point 5. 5 Check the wiring connected to the electronic control module Check the wiring harness for continuity between pin 8 of connector H33-3 and pin 4 of the electronic control module. The resistance should be < 1 ohm. Is the resistance correct? | yes Continue with point 6. | no Repair or replace the wiring harness. 6 Final check Check to see if the fault symptom remains. Is the problem still present? | yes See "Before replacing a control module". | no The remedial measures taken were correct or the fault is of intermittent nature.