| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|
| 1 | Aerial power supply signal checkPrepare the diagnostic equipment to download a voltage graph.Select the VOLTMETER function from the INSTRUMENT menu with the timebase set at 1 minuteConnect pin 3 (positive) to pin 1 (earth) of the transmitter aerialPress the START button on the diagnostic equipment to begin downloading a graph.Check that the signal pattern corresponds to the attached graph. See E7060 TYRE INFLATION PRESSURE CONTROL SYSTEMMove on to Step 2 | Restore the continuity of the wiring between the TPMS control unit and the aerialRestore the insulation of the wiring between the TPMS control unit and the aerialReplace the aerialReplace the TPMS Control Unit Op. 4450B91 TPMS SYSTEM CONTROL UNIT R R |
| 2 | Aerial signal checkPrepare the diagnostic equipment to download a voltage graph.Select the VOLTMETER mode from the INSTRUMENT menu with the timebase set at 3Connect pin 2 to pin 1 (earth) of the transmitter aerialPress the START button on the diagnostic equipment to begin downloading a graph.Check that the signal pattern corresponds to the attached graph. See E7060 TYRE INFLATION PRESSURE CONTROL SYSTEM | Restore the continuity of the wiring between the TPMS control unit and the aerialRestore the insulation of the wiring between the TPMS control unit and the aerialReplace the aerialReplace the TPMS Control Unit Op. 4450B91 TPMS SYSTEM CONTROL UNIT R R |
