GM Service Manual Online
For 1990-2009 cars only
Makes
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Chevrolet
🢒
1997
🢒
Corvette
🢒
Brakes
🢒 ABS Brakes - Delco/Bosch
Brakes
All Component Locator
ABS Components
Antilock Brake System Component Views
All Description and Operation
Abbreviations and Definitions
Basic Knowledge Required
General Description
System Components
System Operation
All Special Tools and Equipment
Special Tools
All Visual Identification
ABS/TCS Component Locator
Brake Pressure Modulator Valve Hydraulic Flow Chart
Diagnostic Procedures
ABS Indicator Always On
ABS Indicator Inoperative
Clearing DTCs
Diagnostic Process
Displaying Diagnostic Trouble Codes (DTC)
Intermittents and Poor Connections
No Communication with Electronic Brake Control Module/Electronic Brake and Traction Control Module
Self-Diagnostics
Traction Off Indicator Always On
Traction Off Indicator Inoperative
Diagnostic Trouble Codes
DTC C1214 Solenoid Valve Relay Contact or Coil Circuit Open
DTC C1217 Pump Motor Relay Contact Circuit Open
DTC C1221 LF Wheel Speed Sensor Input Signal is 0
DTC C1222 RF Wheel Speed Sensor Input Signal is 0
DTC C1223 LR Wheel Speed Sensor Input Signal is 0
DTC C1224 RR Wheel Speed Sensor Input Signal is 0
DTC C1225 LF Excessive Wheel Speed Variation
DTC C1226 RF Excessive Wheel Speed Variation
DTC C1227 LR Excessive Wheel Speed Variation
DTC C1228 RR Excessive Wheel Speed Variation
DTC C1232 LF Wheel Speed Circuit Open or Shorted
DTC C1233 RF Wheel Speed Circuit Open or Shorted
DTC C1234 LR Wheel Speed Circuit Open or Shorted
DTC C1235 RR Wheel Speed Circuit Open or Shorted
DTC C1236 Low System Supply Voltage
DTC C1237 High System Supply Voltage
DTC C1242 BPMV Pump Motor Ground Circuit Open
DTC C1243 BPMV Pump Motor Stalled
DTC C1255 EBTCM Internal Malf
DTC C1256 EBTCM Internal Malfunction
DTC C1261 LF Inlet Valve Solenoid Malfunction
DTC C1262 LF Outlet Valve Solenoid Malfunction
DTC C1263 RF Inlet Valve Solenoid Malfunction
DTC C1264 RF Outlet Valve Solenoid Malfunction
DTC C1265 LR Inlet Valve Solenoid Malfunction
DTC C1266 LR Outlet Valve Solenoid Malfunction
DTC C1267 RR Inlet Valve Solenoid Malfunction
DTC C1268 RR Outlet Valve Solenoid Malfunction
DTC C1273 TCS Master Cylinder Isolation Valve Malf
DTC C1274 TCS Prime Valve Malfunction
DTC C1276 Delivered Torque Signal Circuit Malfunction
DTC C1277 Requested Torque Signal Circuit Malfunction
DTC C1278 TCS Temporarily Inhibited By PCM
DTC C1281 Steering Sensor Uncorrelated Malfunction
DTC C1286 Steering Sensor Bias Malfunction
DTC C1287 Steering Sensor Rate Malfunction
DTC C1288 Steering Sensor Circuit Malfunction
DTC C1291 Open Brake Lamp Switch Contacts During Deceleration
DTC C1293 Code C1291 Set in Previous Ignition Cycle
DTC C1294 Brake Lamp Switch Circuit Always Active
DTC C1295 Brake Lamp Switch Circuit Open
DTC Table
DTC U1016 Loss of Communications with PCM
DTC U1255 Generic Loss of Communications
Electrical/Electronic Schematic Diagrams
ABS Schematic References
ABS/TCS Schematics
Antilock Brake System Schematic Icons
General Diagnostic Information
Diagnostic System Check
Electrical Connector End Views
Electromagnetic Interference
Electronic Brake and Traction Control Module Connector Pinout Table
Initialization Sequence
Scan Tool Diagnostics
Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
GM SPO Group Numbers
Removal, Installation, and Replacement
Automated Brake System Bleeding
Brake Pressure Modulator Valve
Electronic Brake and Traction Control Module
Electronic Traction/Suspension Control Switch
General Service Precautions