Hyundai Elantra (CN7): ABS(Anti-Lock Brake System) / Schematic diagrams

Hyundai Elantra (CN7) 2021-2026 Service Manual / Brake System / ABS(Anti-Lock Brake System) / Schematic diagrams

Terminal Function

Pin No
Description
Current (AMPS)
Resistance (mΩ)
Remark
1
POS. BATTERY 2. (MOTOR)
40A
10

2
-



3
-



4
-



5
-



6
-



7
P-CAN Low
100 mA
250

8
P-CAN High
100 mA
250

9
SENSOR REAR LEFT POWER
150 mA
250

10
SENSOR REAR RIGHT POWER
150 mA
250

11
SENSOR FRONT RIGHT POWER
150 mA
250

12
SENSOR FRONT LEFT POWER
150 mA
250

13
PUMP MOTOR GROUND
40A
10

14
-



15
-



16
-



17
-



18
-



19
-



20
-



21
SENSOR REAR LEFT GROUND
40 mA
250

22
SENSOR REAR RIGHT GROUND
40 mA
250

23
SENSOR FRONT RIGHT GROUND
40 mA
250

24
SENSOR FRONT LEFT GROUND
40 mA
250

25
BATTERY (+) : SOLENOID
30A
10

26
-



27
-



28
-



29
-



30
BRAKE LIGHT SWITCH
1.2 mA
250

31
-



32
IGN
10 mA
50

33
-



34
ESS DRIVE SIGNAL
1.2 mA
250

35
-



36
-



37
SENSOR FRONT RIGHT OUTPUT
50 mA
250

38
GROUND
30A
10


    Standard Flow of Diagnostic TroubleshootingNotes With Regard To DiagnosisThe phenomena listed in the following table are not abnormal. Condition Explanation System check soundWhen starting the engine, a thudding sound can sometimes be heard coming from inside the engine compartment.

    Components and components location Components[LHD]1. Front - right (FR)2. Rear - left (RL)3. Rear - right (RR)4. Front - left (FL)5. MC26. MC17. ABS control module (HECU)8.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Power Mosfet

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    Hyundai Elantra (CN7) 2021-2026 Service Manual: Special service tools

    Special Service Tools Tool Name / Number Illustration Description LKA Compensator(09890-3V100)Used for compensating front view camera unitBCW Sensor Correction Tool Set(09958-3T500)Used to correct the blind-spot radar unit.

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