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Home >> Volvo >> 2008 >> XC90 V8 >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Electrical - Symptom Related Diagnostic Procedures - 2 Of 2 >> Checking Warning Flashers (2003-04) >> Checking Hazard Warning Signal Flasher >> Checking The Cable And The Switch

Checking The Cable And The Switch

Check the cable between the central electronic module (CEM) terminal #16D and the hazard warning signal flasher switch terminal #3 (3/6). Check for a short-circuit to ground. Check for a short-circuit to supply voltage. Check for an open-circuit.

Check the function of the switch.

When the switch is depressed, the voltage should be 0 V, otherwise 12 V at terminal #3 on the hazard warning signal flasher switch (3/6).

If the switch does not work, replace the switch.

Remedy as necessary.

Other information: 

Fig 1: Identifying Ohmmeter
GLL101042Courtesy of VOLVO CARS CORPORATION