Mazda RX-8 Workshop Manual page 2972

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2011 - RX-8 - Body and Accessories
DTC B2170 [ADVANCED KEYLESS ENTRY AND START SYSTEM]
DTC B2170
DETECTION
CONDITION
POSSIBLE CAUSE
Diagnostic procedure
STEP
INSPECT COMMUNICATION CIRCUIT FOR
1
CONTINUITY
Disconnect keyless control module
connector and steering lock unit
Push switch
Detect the push switch OFF signal when ignition switch is ON
position.
Open or short circuit in wiring harness between keyless control
module and steering lock unit
Steering lock unit malfunction
Keyless control module malfunction
INSPECTION
YesReplace the steering lock unit and perform the
resetting procedure for the steering lock unit.
(See STEERING WHEEL AND COLUMN
ACTION