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No.2 All On-Board Diagnostic Functions Inoperative: Notes

ALL ON-BOARD DIAGNOSTIC FUNCTIONS INOPERATIVE - DESCRIPTION AND POSSIBLE CAUSE

2 All on-board diagnostic functions inoperative
DESCRIPTION 
  • Malfunction in keyless control module's following signal circuit or theft-deterrent control signal
    • IG1, B+, GND, door open/closed signal circuit
POSSIBLE CAUSE 
  • Malfunction in IG1, B+ signal circuit of keyless control module
    • Keyless control module malfunction
    • Keyless control module power supply fuse malfunction
    • Malfunction in wiring harness between keyless control module power supply fuse(s) and keyless control module itself
  • Malfunction in keyless control module GND signal circuit
    • Malfunction in wiring harness between keyless control module and ground
  • Malfunction in keyless control module's door open/closed signal circuit
    • Door switch system malfunction
    • Keyless control module malfunction
    • Malfunction in wiring harness between keyless control module and door switch
  • Malfunction in B+, GND, theft-deterrent control signal circuit for theft-deterrent control module
    • Theft-deterrent control module malfunction
    • Theft-deterrent control module power supply fuse malfunction
    • Malfunction in wiring harness between theft-deterrent control module power supply fuse and theft-deterrent control module itself
    • Malfunction in wiring harness between theft-deterrent control module and ground
    • Malfunction in wiring harness between theft-deterrent control module and keyless control module