B2276

THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function): B2276: ACCR Signal Circuit Malfunction

DTC B2276 - ACCR Signal Circuit Malfunction

DESCRIPTION

This DTC is stored when a malfunction is detected in the ACCR signal output by the main body ECU.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK WHETHER DTC OUTPUT RECURS
(a) Clear the DTCs Smart Access System With Push-Button Start (for Start Function).
(b) Check whether DTC B2276 is output 50 seconds or more after the engine switch is turned on (IG).

Result





B -- USE SIMULATION METHOD TO CHECK (SYSTEM IS OK)
A -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - ECM)





(a) Disconnect the E2 main body ECU connector.
(b) Disconnect the A38 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. INSPECT MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)





(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:






NG -- REPLACE MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)
OK -- REPLACE ECM