Brake Booster Control Module Diagnostic Mode 01 - Read Current System Data
Diagnostic Mode 01 makes it possible to access current emissions-related measured values and diagnostic data. The original measured values (no replacement values), input and output data and system status information are displayed using Diagnostic Mode 1.
Test requirement
- Coolant temperature at least 80° C.
Procedure
-- Connect the scan tool.
-- Start the engine and run at idle.
-- Select "Diagnostic Mode 1: Obtain data.".
-- From the following table, select the desired the "PID" that is to be monitored, e.g. "PID $05 Coolant temperature".
The current values of the component or system that is being monitored will be displayed on the scan tool screen.
| PID | Component or System |
|---|---|
| $01 | Monitor status since DTC's cleared |
| $04 | Calculated load value |
| $05 | Coolant temperature |
| $0C | Engine RPM |
| $0D | Vehicle speed |
| $41 | Monitor status current drive cycle |
| $42 | Control module voltage |
| $49 | Accelerator pedal position 1 absolute |