Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PARKING BRAKE SWITCH CIRCUIT
1. Check the parking brake switch circuit (see PARKING BRAKE SWITCH CIRCUIT ).
NG: REPAIR OR REPLACE PARKING BRAKE SWITCH CIRCUIT

OK: GO TO Next Step
CHECK BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT
1. Check the brake fluid level warning switch circuit (see ON-VEHICLE INSPECTION ).
NG: REPAIR OR REPLACE BRAKE FLUID LEVEL WARNING SWITCH CIRCUIT

OK: GO TO Next Step
CHECK DTC FOR ABS
OK: REPAIR CIRCUIT INDICATED BY OUTPUT CODE

NG: GO TO Next Step
CHECK BRAKE WARNING LIGHT
1. Check the warning light other than the BRAKE warning light.
OK: GO TO step 6

NG: GO TO Next Step

INSPECT RELAY (Marking: IG1 NO.2)

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

Standard resistance

STANDARD RESISTANCE REFERENCE CHART

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 From Cowl Side Junction Block LH

OK: CHECK COMBINATION METER (COMBINATION METER CIRCUIT)

INSPECT ECU CONNECTORS
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
CHECK WARNING LIGHT
1. Check for open circuit in the combination meter circuit.
NG: REPLACE COMBINATION METER

OK: GO TO Next Step
CHECK WIRE HARNESS (SKID CONTROL ECU ASSEMBLY - COMBINATION METER)
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE SKID CONTROL ECU ASSEMBLY