Back Door Closer Switch Malfunction (B2251)
DESCRIPTION
The power back door ECU (power back door motor unit)*1 or back door closer ECU
(multiplex network door ECU)*2 receives signals from the latch switch, sector switch
and back door courtesy switch, which are built into the back door lock. Based o ...
Power Back Door Warning Buzzer
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT POWER BACK DOOR WARNING BUZZER
(a) Measure the resistance according to the value(s) in the table below.
HINT:
If battery voltage is applied directly to ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The power back door ECU (power back door motor unit)*1 or back door closer
ECU (multiplex network door ECU)*2 controls the vehicle's back door closer system
functions. Back door closer system data and Diagnostic Tr ...