You will need a multimeter to do the job.
Removing
1. We prepare the car for work (see «Preparing the car for maintenance and repair»).
2. Remove the battery shelf (see «Power unit mounts - replacement»).
3. Disconnect the wiring harness block from the sensor.
4. Using a 19 mm high socket head, unscrew the reversing light switch from the gearbox housing and remove it.
Examination
We connect the multimeter in ohmmeter mode to the terminals of the switch. The resistance value should tend to infinity (open circuit). When the switch stem is pressed, the resistance value should be minimal (circuit is closed). Otherwise, the switch must be replaced.
Installation
Install the reversing light switch in reverse order. The connection between the switch and the gearbox housing is sealed with an aluminum ring. A heavily compressed ring should be replaced with a new one.
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