BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1451; Motor Drive Permission Malfunction; 2018 MY Camry HV [07/2017

Last Modified: 11-20-2023	6.11:8.1.0	Doc ID: RM1000000014VM9
Model Year Start: 2018	Model: Camry HV	Prod Date Range: [07/2017 - 09/2018]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: C1451; Motor Drive Permission Malfunction; 2018 MY Camry HV [07/2017 - 09/2018]

DTC

C1451

Motor Drive Permission Malfunction

DESCRIPTION

If air bleeding has not been performed, the skid control ECU (brake booster with master cylinder assembly) stores DTC C1451 to prevent the entry of air due to pump motor operation.

DTC C1451 is stored when Motor Invalid is selected, the system will not return to normal until the air bleeding procedure is performed.

DTC No.	Detection Item	INF Code	DTC Detection Condition	Trouble Area	Note
C1451	Motor Drive Permission Malfunction	1152	Either of the following is detected: Using the Techstream, "Motor Invalid" of the "ECB Utility" has been performed. The brake booster with master cylinder assembly has been replaced.	Air bleeding not performed	Electronically controlled brake system DTC HINT: The DTC is cleared when the conditions return to normal. ECB: Electronically Controlled Brake System

DTC Detection Conditions: C1451 INF Code: 1152

		Vehicle Condition
		Pattern 1	Pattern 2
*: Electronically Controlled Brake System
Diagnosis Condition	-	-	-
Malfunction Status	Using the Techstream, "Motor Invalid" of the "ECB* Utility" has been performed.	○	-
Malfunction Status	The brake booster with master cylinder assembly has been replaced.	-	○
Detection Time		-	-
Number of Trips		1 trip	1 trip

HINT:

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

PROCEDURE

1.	PERFORM AIR BLEEDING

(a) Bleed the air from the brake system.

Click here

HINT:

If air bleeding has been performed, this DTC will be cleared.

2.	RECONFIRM DTC

(a) Check if the same DTC is output.

Chassis > ABS/VSC/TRAC > Trouble Codes

Result	Proceed to
DTC C1451 is output.	A
DTC C1451 is not output.	B

PERFORM AIR BLEEDING AGAIN

END