Power Source Circuit
PrecautionCertification ECU Vehicle Information Reading/Writing Process Malfunction (B15F7)
DESCRIPTION
This DTC is stored when items controlled by the certification ECU (smart key
ECU assembly) cannot be customized via the audio and visual system vehicle customization
screen.
HINT:
The certification ECU (smart key ECU assembly) controls the s ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL UNLOCK WARNING SWITCH
(a) Engage the 2 claws and install the unlock warning switch to the steering
column upper bracket.
(b) Extract the key.
(c) Co ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...