DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake booster with master cylinder assembly), perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory". Click here PROCEDURE
(a) Check if CAN communication system DTCs are output. Click here
(a) Select the Active Test on the Techstream. Click here Chassis > ABS/VSC/TRAC > Active Test
(b) Check the operating condition of the brake warning light / yellow (minor malfunction) when operating it using the Techstream.
(a) Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream. Click here Body Electrical > Combination Meter > Active Test
(b) Check the combination meter assembly. OK: The brake warning light / yellow (minor malfunction) turns on or off in accordance with Techstream operation.
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Toyota Avalon Service & Repair Manual > Headup Display System(for Hv Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Headup Display System DTC No. Detection Item Memory Note Link B132187 Lost Communication with EMV Missing Message DTC stored - U010087 Lost Communication With ECM/PCM "A" Missing Message DTC stored - U012987 Lost Communication With Brake System Control Module Missing Me ...