Problem Symptoms Table

HINT

Use the table below to help determine the cause of problem symptoms If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed Replace parts as necessary

Inspect the fuses and relays related to this system before inspecting the suspected areas below

General

PROBLEM SYMPTOMS

Symptom	Suspected Area	See
System does not operate at all (self-check function does not operate)	Clearance Warning ECU Power Source Circuit	CLEARANCE WARNING ECU POWER SOURCE CIRCUIT
	Clearance sonar main switch circuit	CLEARANCE SONAR MAIN SWITCH CIRCUIT
	Vehicle wire harness or connector (BEAN communication)	SYSTEM DESCRIPTION
	Clearance warning ECU	CLEARANCE WARNING ECU
	Satellite switch (clearance sonar main switch)	SATELLITE SWITCH
	Combination meter	REMOVAL

Sonar Function

PROBLEM SYMPTOMS

Symptom	Suspected Area	See
Ultrasonic sensor (clearance sonar) does not operate (self-check function operates normally)	Front left sensor (ultrasonic sensor) malfunction	DTC B2232 FRONT LEFT SENSOR MALFUNCTION
	Front right sensor (ultrasonic sensor) malfunction	DTC B2235 FRONT RIGHT SENSOR MALFUNCTION
	Rear left sensor (ultrasonic sensor) malfunction	DTC B2237 REAR LEFT SENSOR MALFUNCTION
	Rear right sensor (ultrasonic sensor) malfunction	DTC B2241 REAR RIGHT SENSOR MALFUNCTION
	Clearance warning ECU	CLEARANCE WARNING ECU
Ultrasonic sensor (back sonar) does not operate (self-check function operates normally)	Rear left center sensor (ultrasonic sensor) malfunction	DTC B2238 REAR LEFT CENTER SENSOR MALFUNCTION
	Rear right center sensor (ultrasonic sensor) malfunction	DTC B2239 REAR RIGHT CENTER SENSOR MALFUNCTION
	Clearance warning ECU	CLEARANCE WARNING ECU
Open circuit is displayed in self-check function	Front left sensor (ultrasonic sensor) malfunction	DTC B2232 FRONT LEFT SENSOR MALFUNCTION
	Front right sensor (ultrasonic sensor) malfunction	DTC B2235 FRONT RIGHT SENSOR MALFUNCTION
	Rear left sensor (ultrasonic sensor) malfunction	DTC B2237 REAR LEFT SENSOR MALFUNCTION
	Rear right sensor (ultrasonic sensor) malfunction	DTC B2241 REAR RIGHT SENSOR MALFUNCTION
	Rear left center sensor (ultrasonic sensor) malfunction	DTC B2238 REAR LEFT CENTER SENSOR MALFUNCTION
	Rear right center sensor (ultrasonic sensor) malfunction	DTC B2239 REAR RIGHT CENTER SENSOR MALFUNCTION
	Clearance warning ECU	CLEARANCE WARNING ECU
Combination meter (shift indicator) operates normally, but detection operates when shift lever in P, or detection does not operate when shift lever is not in P	Vehicle wire harness or connector (BEAN communication)	SYSTEM DESCRIPTION
	Clearance warning ECU	CLEARANCE WARNING ECU
Combination meter (speed meter) operates normally, but errors occur when vehicle speed exceeds 6 mph (10km/h)	Vehicle wire harness or connector (BEAN communication)	SYSTEM DESCRIPTION
	Clearance warning ECU	CLEARANCE WARNING ECU
	Combination meter	REMOVAL
Combination meter (shift indicator) operates normally, but detection operates when shift lever is not in R, or does not operate with the shift lever in R (rear ultrasonic sensor)	Vehicle wire harness or connector (BEAN communication)	SYSTEM DESCRIPTION
	Clearance warning ECU	CLEARANCE WARNING ECU
Freeze condition is displayed in self-check function	Remove ice, mud or snow from the ultrasonic sensor	-

Buzzer Function

PROBLEM SYMPTOMS

Symptom	Suspected Area	See
Sonar detection operation is normal but buzzer operation is intermittent	No 1 clearance warning buzzer circuit	NO. 1 CLEARANCE WARNING BUZZER CIRCUIT
	Clearance warning ECU	CLEARANCE WARNING ECU