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INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION BL-165 C D E F G H J K L M A B BL 3. CHECK POWER SUPPLY CIRCUIT 2 1. Connect Intelligent Key unit and power distribution unit connector. 2. Check voltage between Intelligent Key unit connector and ground. OK or NG OK >> Check the condition of harness and connector. If it is OK, check the self-diagnosis results using CONSULT-II NG >> Check the following. ● 10A fuse [No.6, located in the fuse block (J/B)] ● Harness for open or short between fuse and Intelligent Key unit. DTC B2555 STOP LAMP CIRCUIT NIS001YS DIAGNOSIS DESCRIPTION B2555 stop lamp system monitors the open circuit before the stop lamp switch (models without ICC system), TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT INPUT CONSULT-II DATA MONITOR STANDARD VALUE SELF-DIAGNOSTIC LOGIC Terminals Ignition switch condition Voltage (V) (Approx.) (+) (–) Intelligent Key unit connector Terminal M32 30 Ground ACC Battery voltage OFF 0 PIIB6237E Termi- nal No. Wire color Item Condition Voltage (V) (Approx.) Push- button ignition switch position Operation or conditions 63 P Stop lamp switch — Brake pedal depressed Battery voltage Brake pedal released Battery voltage 29 V/R Stop lamp switch — Brake pedal depressed Battery voltage Brake pedal released 0 Monitor item Measuring condition Reference value STOP LAMP Brake pedal is depressed ON Brake pedal is released OFF DTC Self-diagnosis name DTC detecting condition Possible causes B2555 STOP LAMP CIRCUIT 5V or less is detected at both the stop lamp switch signal ● 10A fuse ● Harness and connector |