1. Open the bonnet.
2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [L8, LF].)
3. Disconnect the bonnet latch switch connector.
4. Inspect for continuity between the bonnet latch switch terminals A and B.
5. Lock the bonnet latch using a flathead screwdriver or equivalent as shown.
6. Inspect for continuity between the bonnet latch switch terminals A and B