Lancer L4-2.4L SOHC (2005)
1. Disconnect backup light switch connector B-111 and measure the voltage available at the wiring harness side of the connector.
2. Turn the ignition switch to the "ON" position.
3. Measure the voltage between terminal 1 and ground.
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The voltage should equal approximately 12 volts (battery positive voltage).
Q: Is the measured voltage approximately 12 volts (battery positive voltage)?
YES: Go to Step 5.
NO: Go to Step 4.
