How to Read SELF-DIAGNOSTIC RESULTS

Fig 1: Self-Diagnostic Results Chart

SELF-DIAGNOSTIC RESULTS CHART

Suspect Systems [DTC]	Diagnostic item is detected when...	Repair work
CAN COMM CIRCUIT [U1000]	Malfunction is detected in CAN communication	Perform CAN communication system inspection
CONTROL UNIT (CAN) [U1010]	Malfunction is detected in CAN communication caused by Intelligent Key unit internal malfunction	Replace Intelligent Key unit.
STRG COMM 1 [B2013]	Communication malfunction with steering lock unit is detected	Check steering lock unit
STEERING LOCK UNIT [B2551]	Even if the communication with steering lock unit is normally performed, the steering lock is malfunctioning	Replace steering lock unit
INTELLIGENT KEY [B2552]	Internal malfunction is detected in Intelligent Key unit	Replace Intelligent Key unit.
IGN POWER CIRCUIT [B2553]	It continues for 2 seconds or more that ON power supply input to Intelligent Key unit is excessively low when the power supply position is in ON position	Check Intelligent Key unit ON power supply input
ACC POWER CIRCUIT [B2554]	It continues for 2 seconds or more that ACC power supply input to Intelligent Key unit is excessively low when the power supply position is in ACC or ON position	Check Intelligent Key unit ACC power supply input
STOP LAMP CIRCUIT [B2555]	5V or less is detected at both the stop lamp switch signal input circuit that is input to Intelligent Key unit and the monitor input before stop lamp switch	Check stop lamp switch
ENG START SW [B2556]	Condition that push-button ignition switch is pushed is detected continuously for 100 seconds or more	Check push-button ignition switch
VEHICLE SPEED [B2557]	Some differences occur on one or more vehicle speed inputs of Intelligent Key unit	Check vehicle speed signal
SHIFT POSITION [B2558]	There is a difference between the shift position input via CAN communication and the P position input by detent switch Vehicle speed (5 km/h or more) is detected continuously for 10 seconds or more even if the shift position is detected in P position when the power supply position is in ON position	Check shift position input
PDU [B2559]	Internal malfunction is detected in PDU	Replace PDU
START POW SUP CIRC [B2560]	Though the engine start operation is not performed, starter relay in IPDM E/R is ON	Check starter power supply
LOW VOLTAGE [B2562]	Battery power supply input to Intelligent Key unit (8.8V or less) is detected continuously for 1.5 seconds or more	Check battery low voltage
HI VOLTAGE [B2563]	Battery power supply input to Intelligent Key unit (18V or more) is detected continuously for 90 seconds or more	Check for battery high voltage
NATS MALFUNCTION [B2590]	Malfunction is detected in immobilizer system	Check (IVIS) NATS trouble diagnosis procedure

CAUTION: When CAN COMM CIRCUIT [U1000] and CONTROL UNIT (CAN) [U1010] are displayed, give priority to performing trouble diagnosis.