SUB BATTERY SYSTEM, Diagnostic DTC:B22D5

DTC Code	DTC Name
B22D5	Auxiliary Battery Voltage Sensor Circuit

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Memory
B22D5	Auxiliary Battery Voltage Sensor Circuit	This DTC is stored when a malfunction is detected in the battery voltage sensor. (1 trip detection logic)	Sub-battery module assembly	Comes on	DTC stored

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Memory

B22D5

Auxiliary Battery Voltage Sensor Circuit

This DTC is stored when a malfunction is detected in the battery voltage sensor.

(1 trip detection logic)

Sub-battery module assembly

Comes on

DTC stored

Tech Tips

The details of a DTC can be checked by using the DTC Sub Code of the freeze frame data that was recorded when the DTC was output.

DTC Sub Code	Detail
"16"	Auxiliary Battery Voltage is continuously more than 34.8 V for 10 seconds
"17"	Difference between Auxiliary Battery Voltage and VL01 Voltage is continuously more than 5 V for 60 seconds

WIRING DIAGRAM

*a	Sub-battery Module Assembly	-	-
*1	B (+B) terminal	*2	Battery voltage detection circuit
*3	Voltage detection circuit	*4	CPU

CAUTION / NOTICE / HINT

Tech Tips

Read freeze frame data using the GTS. Freeze frame data records the sub-battery module assembly condition when malfunctions are detected.

PROCEDURE

REPLACE SUB-BATTERY MODULE ASSEMBLY

Replace the sub-battery module assembly.

Result

Proceed to
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END