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BRAKE LAMP SWITCH CIRCUIT (CONTINUED) When Monitored and Set Condition • When Monitored: With the ignition on. • Set Condition: The Controller Antilock Brake (CAB) detects an abnormal condition on the Brake Lamp Switch POSSIBLE CAUSES FUSED IGNITION SWITCH OUTPUT CIRCUIT TO BRAKE LAMP RELAY OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT TO BRAKE LAMP SWITCH OPEN TRACTION SYSTEM RELAY OUTPUT CIRCUIT OPEN BRAKE LAMP SWITCH A OUTPUT CIRCUIT SHORT TO VOLTAGE BRAKE LAMP SWITCH A OUTPUT CIRCUIT OPEN BRAKE LAMP SWITCH A OUTPUT CIRCUIT SHORT TO GROUND BRAKE LAMP SWITCH B OUTPUT CIRCUIT SHORT TO VOLTAGE BRAKE LAMP SWITCH B OUTPUT CIRCUIT OPEN BRAKE LAMP SWITCH B OUTPUT CIRCUIT SHORT TO GROUND BRAKE LAMP RELAY CONTROL CIRCUIT SHORT TO VOLTAGE BRAKE LAMP RELAY CONTROL CIRCUIT OPEN BRAKE LAMP RELAY CONTROL CIRCUIT SHORT TO GROUND BRAKE LAMP RELAY OUTPUT CIRCUIT SHORT TO VOLTAGE BRAKE LAMP RELAY OUTPUT CIRCUIT OPEN BRAKE LAMP RELAY OUTPUT CIRCUIT SHORT TO GROUND BRAKE LAMP SWITCH BRAKE LAMP RELAY CONTROLLER ANTILOCK BRAKE For a complete Electronic Stability Program (ESP) Circuit Diagram (Refer to 5 - BRAKES/ELECTRICAL - SCHE- ZH BRAKES - ABS ELECTRICAL DIAGNOSTICS 5 - 173 |