Component Inspection
1.

Check Brake Switch

(1)

Ignition "OFF".

(2)

Disconnect Brake Switch connector.

(3)

Check continuity between terminal 1 and 2 of Brake switch connector (Component side).

(4)

Check continuity between terminal 3 and 4 of Brake switch connector (Component side).

Specification :

Brake Pedal OFF

Brake Pedal ON

Switch 1

Switch 2

Switch 1

Switch 2

No continuity

Continuity

Continuity

No continuity

(5)

Is the measured continuity status within specifications ?

YES

▶ Substitute with a known-good ECM and check for proper operation.

If the problem is corrected, replace ECM and then go to "Verification of Vehicle Repair" procedure.

NO

▶ Check Brake switch for contamination, deterioration, or damage. Substitute with a known-good Brake switch and check for proper operation. If the problem is corrected, replace Brake switch and then go to "Verification of Vehicle Repair" procedure.

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