Lexus NX: Deceleration Sensor (C1245)
DESCRIPTION
The parking brake ECU assembly receives vehicle tilt information from the deceleration sensor (airbag ECU assembly) via CAN communication.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
C1245 | Deceleration Sensor | One of the following conditions is met: -
An error signal is sent from the deceleration sensor (airbag ECU assembly) for approx. 0.3 seconds.
-
While the deceleration sensor (airbag ECU assembly) signal is judged to be stuck, starting off and stopping the vehicle occurs 16 times.
-
Comparison error between deceleration sensor (airbag ECU assembly) 1 and deceleration sensor (airbag ECU assembly) 2 output values occurs for 60 seconds or more.
| Deceleration sensor (Airbag ECU assembly) | Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the deceleration sensor (airbag ECU assembly), perform zero point calibration.
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PROCEDURE
1. | CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) |
(a) Check for DTC.
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Chassis > ABS/VSC/TRAC > Trouble Codes
DTC is not output | | |
2. | CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Clear the DTC.
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Chassis > Electric Parking Brake > Clear DTCs
(b) Turn the power switch off.
(c) Check for DTC.
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Chassis > Electric Parking Brake > Trouble Codes
DTC is output | | REPLACE AIRBAG ECU ASSEMBLY |
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DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A0 Open Circuit in Power Source Circuit Both of following conditions are met:
Power switc
DESCRIPTION The following DTCs are stored when a malfunction occurs in the parking brake ECU assembly. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note C13A1
DESCRIPTION When the power switch is turned on (IG), power is supplied to the parking brake ECU assembly. This DTC is stored if the IG power source is not input to the parking brake ECU assembly when
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