With Manufacturer's Scan Tool
HOW TO READ AND ERASE DIAGNOSTIC TROUBLE CODESRequired Special Tool: MB991502: Scan Tool (MUT-II)
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991502.
NOTE: If the battery positive voltage is low, diagnostic trouble codes will not be output. Check the battery if the scan tool MB991502 dose not display.
NOTE: If the battery is disconnected or if the powertrain control module connector is disconnected, the diagnostic trouble codes will be erased. Do not disconnect the battery or powertrain control module before the diagnostic trouble codes have been read.
1. Connect scan tool MB991502 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Record the Diagnostic Trouble Codes (DTCs) for A/T.
4. Refer to the Diagnostic Trouble Code Chart.
5. Turn the ignition switch to the "LOCK" (OFF) and then back to "ON" again.
6. Erase the diagnostic trouble code by selecting DTC erase from SPECIAL MENU screen, using the scan tool MB991502.
7. Check for diagnostic trouble codes. Confirm that the scan tool MB991502 displays "normal."
8. Turn the ignition switch to the "LOCK" (OFF) position.
9. Disconnect the scan tool MB991502.