01V, 5 SPD. A/T

Torque converter, checking, 01V, 5 SPD. A/T

Note:
^ Check DTC memory of Transmission Control Module (TCM) J217 before troubleshooting and check ATF level.





Torque converter clutch can only be checked via On Board Diagnosis (OBD) in driving operation.

CAUTION:
^ Test and measuring equipment must always be secured to the rear seat and operated from there by a second person.
^ If test and measuring equipment is operated from the passenger seat, the person seated there could be injured in the event of an accident involving deployment of the passenger side airbag.

^ With ignition switched off, connect Vehicle Diagnosis, Testing and Information System VAS 5051 A to Data Link Connector (DLC).
^ Start engine.





Display on VAS 5051 A:
^ Press"Vehicle Self-Diagnosis" button.





Display on VAS 5051 A:
^ In selection - 1 -, click on function "02 - Transmission electronics".
^ Wait until next indication appears on display.





Display on VAS 5051 A:
^ In selection - 1 -, click on diagnostic function "08 - Read measuring value block".





Display on VAS 5051 A:
1. Enter display group, max. input value = 255
^ Enter "display group number 007" in button field - 2 - and press Q to confirm input.
^ Perform a road test.





Display on VAS 5051 A:
^ Check indication in display fields - 3 - and - 4 -. Specified values:
3. TC closed
4. 0 to 20/min

If indications do not resemble description, ratio of transmission RPM to engine speed with closed torque converter clutch does not match (implausibility).
^ Causes:
^ Torque converter clutch circuit malfunctioning, worn.
^ Incorrect torque converter.
^ Automatic Transmission Pressure Regulating Valve 4 N218 mechanically malfunctioning.
^ Problems in ATF lines to Automatic Transmission Pressure Regulating Valve 4 N218.
^ Valve for torque converter pressure malfunctioning.
^ Valve for torque converter clutch malfunctioning.
^ Press <-- button to end diagnostic function "08 - Read measuring value block".