Inspection Procedure

1. Check the parking brake switch circuit (see INSPECTION ).

NG: REPAIR OR REPLACE PARKING BRAKE SWITCH CIRCUIT 

OK: Go to Next step 

1. Check the brake fluid level warning switch circuit (see DISASSEMBLY ).

NG: REPAIR OR REPLACE BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT 

OK: Go to Next step 

OK: REPAIR CIRCUIT INDICATED BY OUTPUT CODE 

NG: Go to Next step 

1. Check the warning light other than the BRAKE warning light.

OK: Go to step  6

NG: Go to Next step 

1. Remove the IG1 NO. 2 relay from the cowl side junction block LH.
2. Measure the resistance of the relay.

   Standard resistance 

   TESTER CONNECTION SPECIFIED CONDITION
   
   

   Tester Connection	Specified Condition
   1 - 2	10 kΩ or higher
   1 - 2	Below 1 Ω (when battery voltage is applied to terminal 3 and 4)

NG: REPLACE RELAY 

Fig 1: Identifying IG1 NO. 2 Relay Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK: CHECK COMBINATION METER (COMBINATION METER CIRCUIT) 

1. Check that each ECU connector is properly installed.

   OK: Each ECU connector is properly installed. 

NG: CONNECT CONNECTOR TO ECU CORRECTLY 

OK: Go to Next step 

1. Check for open circuit in the combination meter circuit.

NG: REPLACE COMBINATION METER 

OK: Go to Next step 

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK: REPLACE SKID CONTROL ECU ASSEMBLY