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:
| 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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| DTC is output | .gif) | GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM |
|
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| 2. | CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM) |
(a) Clear the DTC.
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(b) Turn the power switch off.
(c) Check for DTC.
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| DTC is output | | REPLACE AIRBAG ECU ASSEMBLY |
| DTC is not output | | USE SIMULATION METHOD TO CHECK |
READ NEXT:
Open Circuit in Power Source Circuit (C13A0,C13A5,C13B0)
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
Short Circuit in Power Source Circuit (C13A1)
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
Engine Switch/Power Switch Malfunction (C13A2)
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
SEE MORE:
"No GPS signal" mark is displayed
CAUTION / NOTICE / HINT NOTICE: When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
A communication malfunction DTC may be stored.
The radio receiver assembly may not
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the power steering system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the voltage of the auxiliary battery. Standar
