SUB BATTERY SYSTEM, Diagnostic DTC:B22D8

DTC Code	DTC Name
B22D8	Sub Battery Module Power Supply Circuit Malfunction

DESCRIPTION

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Memory
B22D8	Sub Battery Module Power Supply Circuit Malfunction	This DTC is stored when a malfunction is detected in the sub-battery power supply circuit. (1 trip detection logic)	Sub-battery module assembly	Comes on	DTC stored

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Memory

B22D8

Sub Battery Module Power Supply Circuit Malfunction

This DTC is stored when a malfunction is detected in the sub-battery power supply circuit.

(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
"18"	Power source control circuit open
"19"	Power source control circuit short
"1A"	Power source voltage increase malfunction
"1B"	Power source voltage drop malfunction
"1C"	+B backup power source circuit open
"1D"	+B backup power source circuit short

WIRING DIAGRAM

*a	Sub-battery Module Assembly	-	-
*1	+B backup power source circuit	*2	Power supply circuit
*3	CPU	*4	B (+B) terminal

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