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Brake Control System Expand All (for easy ctrl-f) Collapse All Service Precaution General Description General Diagnosis EHCU Connector Pin-out Checks Symptom Diagnosis Diagnostic Trouble Codes Diagnosis By "ABS" Warning Light Illumination Pattern Notes Diagnostic Trouble Codes (DTCs) Diagnostic Trouble Codes (DTC) List Notes Chart B-1 With Key In On Position (Before Starting Engine). Warning Light (W/L) Is Not Activated. Chart B-2 CPU Error (DTC 14 (Flash Out) / C0271, C0272, C0273, C0284 (Serial Communications)) Chart B-3 Low Or High Ignition Voltage (DTC 15 (Flash Out) / C0277, 0278 (Serial Communications)) Chart B-4 Excessive Dump Time (DTC 17 (Flash Out) / C0269 (Serial Communications)) Chart B-5 Excessive Isolation Time (DTC 18 (Flash Out) / C0274 (Serial Communications)) Chart B-6 G-Sensor Output Failure (DTC 21 (Flash Out) / C0276 (Serial Communications)) Chart B-7 Brake Switch Failure (DTC 22 (Flash Out) / C0281 (Serial Communications)) Chart B-8 2WD Controller In 4WD Vehicle Controller (DTC 13 (Flash Out) / C0285 (Serial Communications)), 4Wd State Input Signal Failure (DTC 24 (Flash Out) / C0282 (Serial Communications)) Chart B-9 Pump Motor Failure (DTC 32 (Flash Out) / C0267, C0268 (Serial Communications)) Chart B-10 EHCU Valve Relay Failure (DTC 35 (Flash Out) / C0265, C0266 (Serial Communications)) Chart B-11 FL Isolation Solenoid Coil Failure (DTC 41 (Flash Out) / C0245, C0247 (Serial Communications)) Chart B-12 FL Dump Solenoid Coil Failure (DTC 42 (Flash Out) / C0246, C0248 (Serial Communications)) Chart B-13 FR Isolation Solenoid Coil Failure (DTC 43 (Flash Out) / C0241, C0243 (Serial Communications)) Chart B-14 FR Dump Solenoid Coil Failure (DTC 44 (Flash Out) / C0242, C0244 (Serial Communications)) Chart B-15 Rear Isolation Solenoid Coil Failure (DTC 45 (Flash Out) / C0251, C0253 (Serial Communications)) Chart B-16 Rear Dump Solenoid Coil Failure (DTC 46 (Flash Out) / C0252, C0254 (Serial Communications)) Chart B-17 FL Speed Sensor Open Or Shorted (DTC 51 (Flash Out) / C0225 (Serial Communications)) Chart B-18 FR Speed Sensor Open Or Shorted (DTC 52 (Flash Out) / C0221 (Serial Communications)) Chart B-19 Rear Speed Sensor Open Or Shorted (DTC 53 (Flash Out) / C0235 (Serial Communications)) Chart B-20 FL Speed Sensor Missing Signal (DTC 61 (Flash Out) / C0226, C0227 (Serial Communications)) Chart B-21 FR Speed Sensor Missing (DTC 62 (Flash Out) / C0222, C0223 (Serial Communications)) Chart B-22 Rear Speed Sensor Missing (DTC 63 (Flash Out) / C0236, C0237 (Serial Communications)) Chart B-23 Simultaneous Drop-Out Of Front Speed Sensor Signal (DTC 64 (Flash Out) / C0229 (Serial Communications)) Chart B-24 Wheel Speed Input Abnormality (DTC 65 (Flash Out) / C0238 (Serial Communications)) Chart B-25 Abnormal TOD Signal Input (DTC 71 (Flash Out)/C0287 (Serial Communications)) Sensor Signal Abnormality Criteria using TECH 2 Unit Inspection Procedure Special Tools