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DTC B112A:17 [Advanced Keyless Entry And Push Button Start System]: Notes

WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DTC B112A:17 (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION High voltage in IG2 monitor input circuit
DETECTION CONDITION 
  • IG2 monitor is on for 1 s  when the ignition switch is off.
POSSIBLE CAUSE 
  • Relay block connector or terminals malfunction
  • Keyless control module connector or terminals malfunction
  • Short to power supply in wiring harness between the following terminals:
    • Relay block terminal 1F-Keyless control module terminal 2E
  • Relay block malfunction
  • Keyless control module malfunction
G06731464Courtesy of MAZDA MOTORS CORP.
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