DTC Detection Logic

DTC

CONSULT screen terms

DTC detection condition

(Trouble diagnosis content)

[Malfunction type]

C1B56

04

SONAR CIRCUIT

(Sonar circuit)

[SYSTEM INTERNAL MALFUNCTION]

Diagnosis condition

When engine is running

Signal (terminal)

--

Threshold

Sonar control unit is malfunctioning

Diagnosis delay time

2 seconds or more