Test 10AG1

TEST 10AG1: CHECK STOP LIGHT SWITCH OUTPUT USING SCAN TOOL
1) Press [F], [O] and [9] on the scan tool.
2) Depress the brake pedal.
3) Read the stop light switch output on the select monitor display.
CHECK: Is the reading indicated on monitor display less than 1.5 Volts?
YES: Test 10AG2
NO: Test 10AG3