Toyota Camry (XV70): Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range (C05201C)

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System (w/ Electric Parking Brake System) / Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range (C05201C)

DESCRIPTION

The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

When the skid control ECU (brake actuator assembly) detects an abnormal acceleration sensor (airbag sensor assembly) signal, or the control value calculated using the acceleration sensor (airbag sensor assembly), yaw rate sensor (airbag sensor assembly), steering angle sensor and speed sensor are compared and judged to be abnormal, this DTC is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C05201C	Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range	When the vehicle is being driven and the stop light switch assembly is OFF, the value (longitudinal) of the acceleration sensor (airbag sensor assembly) is less than -4.0 m/s2 or more than 4.0 m/s2 for 20 seconds or more. When the vehicle is being driven, the difference in the acceleration value (longitudinal) calculated using the speed sensors and the acceleration value of the acceleration sensor (airbag sensor assembly) is less than -3.5 m/s2 or more than 3.5 m/s2 for 4 seconds or more. When the vehicle is being driven in a straight line, the calculated lateral acceleration value based on the speed sensors, steering sensor angle and yaw rate sensor (airbag sensor assembly) differs from the value (lateral) of the acceleration sensor (airbag sensor assembly).	Acceleration sensor (airbag sensor assembly)

DTC Detection Conditions: C05201C

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4	Pattern 5
Diagnosis Condition	The vehicle is being driven and the stop light switch assembly is OFF.	○	○	-	-	-
	The vehicle is being driven.	-	-	○	○	-
	When the vehicle is being driven in a straight line.	-	-	-	-	○
Malfunction Status	The value (longitudinal) of the acceleration sensor (airbag sensor assembly) is less than -4.0 m/s2.	○	-	-	-	-
	The value (longitudinal) of the acceleration sensor (airbag sensor assembly) is more than 4.0 m/s2.	-	○	-	-	-
	The difference in the acceleration value (longitudinal) calculated using the speed sensors and the acceleration value of the acceleration sensor (airbag sensor assembly) is less than -3.5 m/s2.	-	-	○	-	-
	The difference in the acceleration value (longitudinal) calculated using the speed sensors and the acceleration value of the acceleration sensor (airbag sensor assembly) is more than 3.5 m/s2.	-	-	-	○	-
	The calculated lateral acceleration value based on the speed sensors, steering sensor angle and yaw rate sensor (airbag sensor assembly) differs from the value (lateral) of the acceleration sensor (airbag sensor assembly).	-	-	-	-	○
Detection Time		20 seconds or more.	20 seconds or more.	4 seconds or more.	4 seconds or more.	-
Number of Trips		1 trip	1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

CAUTION / NOTICE / HINT

NOTICE:

After replacing or reinstalling the yaw rate and acceleration sensor (airbag sensor assembly), perform acceleration sensor zero point calibration and system information memorization after performing "Reset Memory".

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PROCEDURE

1.	REPLACE AIRBAG SENSOR ASSEMBLY

(a) Replace the yaw rate and acceleration sensor (airbag sensor assembly).

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END

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Toyota Camry (XV70): Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range (C05201C)

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