Caution:Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
Remove front door courtesy light switch assembly
Remove the bolt and switch.
Disconnect the connector.
Inspection
Inspect front door courtesy light switch assembly
Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch assembly.
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Test yourself
A quick Toyota RAV4 quiz: every answer comes with an explanation and a link to the manual page.