Operation CHARM: Car repair manuals for everyone.

DTC 36

ABS Schematic: Code 36:






ABS SYSTEM VOLTAGE LOW
The ABS control module monitors voltage on circuit 1633 when the enable relay is closed. If voltage is below 11 volts, ABS will be disabled and the antilock telltale will be turned On.

CODE PARAMETERS
Code 36 sets if:
^ ABS system voltage is between 10.8 and 11.6 volts.
^ Code 86 could also set and the brake telltale will turn on if the ABS rear motor is not in home position.
^ This code can set anytime the vehicle is moving faster than 13 km/h (8 mph) and no previous failure has disabled ABS.

Diagnostic Chart: Code 36 (Part 1 Of 2):




Diagnostic Chart: Code 36 (Part 2 Of 2):






DIAGNOSTIC AIDS
Battery Test
^ If battery is low, check charging system.
^ Check for a battery draw that may be discharging the battery.
^ Using an ohmmeter to check resistance, shake wires to locate intermittents.
^ Check the tightness of the female terminal grip with a spare male terminal.

When Attempting To Diagnose - an intermittent problem, use the scan tool to review supplemental diagnostic information. The supplemental data can be used to duplicate a problem.

^ Select Malf History from scan tool ABS menu.

Intermittents Or Opens - suspected to be at the connectors can be detected by using a diagnostic service probe. Voltage can be read on wires without disconnecting any connectors.