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pre-test screens will help with this for MONITOR t, refer to the On Board Diagnostic training booklet #81-699-97094. 3.3.2 INTERMITTENT CODE A diagnostic trouble code that is not there every time the PCM checks the circuit is an intermittent • Visually inspect related wire harness connectors. • Visually inspect the related harnesses. Look for • Refer to any technical service bulletins that may • Use the DRBIII t data recorder or co-pilot. 3.3.3 STARTS SINCE SET COUNTER The start since set counter counts the number of times the vehicle has been started since codes were The number of starts helps determine when the trouble code actually happened. This is recorded by t as STARTS since set. When there are no trouble codes stored in mem- ory, the DRBIII t will display NO DTC’s Detected and the reset counter will show STARTS since clear 3.3.4 DISTANCE SINCE MI SET The EOBD directive requires that the distance traveled by the vehicle while the MI is activated 1. If the MI is illuminated due to a fault, the distance count is updated (i.e. it is counting). 2. If there is a stale MI fault (i.e. the fault is still frozen in memory but the MI has been extin- 3. If the distance count is being held due to (Item 2.) and the fault is cleared, the distance is 4. If the distance count is being held due to (Item 2.) and another MI occurs, the distance count is 5. If a fault occurs while the MI is already illumi- nated due to a previous fault (the distance count 6. If the MI is flashing due to active misfire and there is an active fault (i.e. matured fault for 7. If the MI is flashing due to active misfire and there is no active fault (i.e. the MI is flashing for 8. The distance count is cleared whenever the fault is cleared. (Via 40 warm up cycles, or via scan 3.4 USING THE DRBIII T Refer to the DRBIII t user’s guide for instructions and assistance with reading DTC’s, erasing DTC’s, t functions. 3.5 DRBIII T ERROR MESSAGES AND BLANK SCREEN Under normal operation, the DRBIII t will dis- play one of only two error messages: – User-Requested WARM Boot or User- Requested COLD Boot If the DRBIII t should display any other error message, record the entire display and call the Star ver: 2.14 Press MORE to switch between this display and the application screen. Press F4 when done noting information. 3.5.1 DRBIII T DOES NOT POWER UP If the LED’s do not light or no sound is emitted at start up, check for loose cable connections or a bad 12 GENERAL INFORMATION |