C1242

C1242-G SENSOR INPUT SIGNAL PERFORMANCE

For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams


- When Monitored:

Continuously, with ignition on and vehicle speed present.

- Set Condition:

If the measured acceleration and calculated signal differs or have opposite signs.








Diagnostic Test


1. VERIFY DTC IS ACTIVE

Turn the ignition on.

With the scan tool, read and record ABS DTCs.

With the scan tool, read and record Environmental Data (EV Data).

With the scan tool, erase ABS DTCs.

Cycle the ignition switch.

Perform ECU initialization with drive test. Refer to Perform ABS VERIFICATION TEST. ABS Verification Test


WARNING: To avoid personal injury or death, check brake capability is available before road testing.

Test drive the vehicle by turning the vehicle left or right in a curving manner at a velocity greater than 20 km/h (12 m.p.h.).

Park the vehicle.

With the scan tool, read ABS DTCs.

Does this DTC reset?

Yes

- Go To 2

No

- Perform the ABS Intermittent Condition Diagnostic Procedure. ABS Intermittent Condition Test
- Refer to the ABS-INTERMITTENT CONDITION TEST. ABS Intermittent Condition Test



2. CHECK THE DYNAMICS SENSOR INSTALLATION


NOTE: Dynamics Sensor installation and mounting bolt torque is crucial for proper operation.

Turn the ignition off.

Check the Dynamics Sensor for damaged, modified, and bent mounting brackets.

Check the Dynamics Sensor mounting bolts for a loose or over tightened condition.

Were any problems found?

Yes

- Repair as necessary.
- Perform ABS VERIFICATION TEST. ABS Verification Test

No

- Replace the Dynamics Sensor.
- Perform ABS VERIFICATION TEST. ABS Verification Test