Lexus NX: 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:
|
| Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
| C13A5 | Electric Current of Motor | Both of following conditions are met:
|
| Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
| C13B0 | Electric Parking Brake ECU Malfunction | Both of following conditions are met:
|
| Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the parking brake ECU assembly, operate the electric parking brake switch (integration control and panel assembly), as the parking brake indicator light (red) blinks when the power switch is first turned on (IG).
PROCEDURE
| 1. | INSPECT PARKING BRAKE ACTUATOR ASSEMBLY |
(a) Inspect the parking brake actuator assembly.
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| NG | .gif) | REPLACE PARKING BRAKE ACTUATOR ASSEMBLY |
|
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| 2. | REPLACE PARKING BRAKE ECU ASSEMBLY |
(a) Replace parking brake ECU assembly.
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| NEXT | | END |
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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
Open or Short Circuit in Lock Switch Circuit (C13A3,C13AB)
DESCRIPTION When the electric parking brake switch (integration control and panel assembly) is pulled to the lock side, a lock request signal is output to the parking brake ECU assembly. DTC No.
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A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at
Components
COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD LH *2 DOOR SCUFF PLATE ASSEMBLY LH *3 FRONT FLOOR CARPET ASSEMBLY *4 NO. 4 DASH PANEL INSULATOR PAD (FRONT FLOOR FOOTREST)
