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4E-21 ABS: DTC C1021, C1022 / C1025, C1026 / C1031, C1032 / C1035, C1036: Right-Front / Left-Front / Right- S5JB0A4504013 Wiring Diagram DTC Detecting Condition NOTE
DTC Troubleshooting 1 2 12V E03-7 GRN/ORN BLK/YEL 7 [A] E03 3 4 5 6 BLK WHT BLK WHT BLU/BLK GRN/BLK BLU GRN YEL/BLK YEL LT GRN E03-21 E03-22 E03-19 E03-18 E03-15 E03-16 E03-25 E03-24 12V 12V 12V 12V BLK WHT BLK WHT 15 2 10 1 13 14 26 I5JB0A450013-03 [A]: ABS hydraulic unit / control module connector (viewed from terminal side) 3. Right-rear wheel speed sensor 6. Left-front wheel speed sensor 1. Ignition switch 4. Left-rear wheel speed sensor 7. ABS hydraulic unit / control module assembly 2. Circuit fuse (in junction block assembly) 5. Right-front wheel speed sensor Step Action Yes No 1 Was “ABS Check” performed? Go to Step 2. 2 1) Turn ignition switch OFF. connector. 3) Check for proper connection to ABS control module at each sensor terminal. 4) If OK, then turn ignition switch ON and measure voltage between applicable sensor terminal of module connector Is it 0 V? Go to Step 3. ABS wheel speed |