If there are no DTCs output but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting page.
NOTICE: When replacing the brake actuator assembly, sensor, etc., turn the ignition switch off.
HINT: Inspect the fuse and relay before investigating the suspected areas as shown in the table below. Inspect each malfunction circuit in numerical order for the corresponding symptom.
Anti-lock brake system:

Terminals of ecu

Test mode procedure
Diagnosis systemAir outlet control servo motor
ON-VEHICLE INSPECTION
1. INSPECT AIR OUTLET CONTROL SERVO MOTOR
(a) Remove the air outlet control servo motor.
(b) Connect the positive (+) lead from the battery to
terminal 4 and negative (-) lead to terminal 5, then
check that the lever turns to "DEF" position.
(c) Connect ...
Short in Rear Curtain Shield Squib RH Circuit
DTC B1630/83 Short in Rear Curtain Shield Squib RH Circuit
DESCRIPTION
The rear curtain shield squib RH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B1630/83 ...
Dtc check / clear
1. DTC CHECK (USING SST CHECK WIRE)
(a) Check DTCs.
(1) Turn the ignition switch off.
(2) Using SST, connect terminals TC and CG of
DLC3.
SST 09843-18040
(3) Turn the ignition switch to the ON position.
(4) Read and record any DTCs from the tire
pressure warning light on the combin ...