Back-up Power Source Circuit
Parts LocationDiagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Main Body ECU (Multiplex Network Body ECU)
DTC Code
Detection Item
See page
B1206
P/W Master Switch Communication Stop
B1273
Sliding Roof ECU Communication Stop
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Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
transmits the signal to the No. 1 indoor electrical key antenna assembly (front
floor). For the No. 1 indoor electrical key antenna assembly (front floor) to detect
when the electrical key transmitter su ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Check the DTCs.
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Read the DTCs following the prompts on the Techstream screen. Enter the following
menus: Powertrai ...