Identification Information
PrecautionDriver Side Door ECU Communication Stop (B2321)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for driver side) and main body ECU (driver side junction block assembly)
stops for more than 10 seconds.
DTC No.
DTC Detection ...
Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or could
cause injury or death, you should immediately inform the National Highway Traffic
Safety Administration (NHTSA) in addition to notifying Toyota Motor Sales, U.S.A.,
Inc.
(T ...
Relay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT TAILLIGHT RELAY (TAIL)
(a) Remove the taillight relay from the main body ECU (driver side junction
block assembly).
(b) Measur ...