H Inspection of parking brake switch circuit. Turn ignition switch off. ALTERNATOR INSPECT ALTERNATOR OPERATION Is alternator operation normal? (See page CH-4) No → Replace alternator. Yes ↓ BRAKE FLUID LEVEL WARNING SWITCH INSPECT GROND CONNECTION Disconnect connector from brake fluid level warning switch. Is there continuity between terminal 2 of wire harness connector and body ground? No → • Open circuit in wire harness between terminal 2 and body ground. • Body ground faulty. Yes ↓ INSPECT BRAKE WARNING SWITCH Is brake fluid level warning switch operation normal? (See page BE-43) No → Replace brake warning switch. Yes ↓ Connect the connector to brake warning switch. PARKING BRAKE SWITCH INSPECT PARKING BRAKE SWITCH OPERATION Disconnect connector from parking brake switch. Is parking brake switch operation normal? (See page BE-82) No → Replace parking brake switch. Yes ↓ Connect connector to parking brake switch. COMPUTER Disconnect connector from computer and inspect connector on wire harness side as follows. Remove CHARGE fuse and ignition switch turned on. Is there no voltage between terminal 12 and body ground with parking brake pulled up? No → Open circuit in wire harness between terminal 12 of computer and terminal 1 of parking brake switch. Yes ↓ Is there battery voltage between terminal 12 and body ground with parking brake released? No → Short circuit in wire harness between terminal 12 of computer and terminal 1 of parking brake switch, terminal 1 of brake fluid level warning switch or terminal 2 of alternator. Yes ↓ Replace computer.