Fault symptoms
Difficulty in manoeuvring the soft-top
SYMPTOM PROCEDURE (DIFFICULTY IN MANOEUVRING THE SOFT-TOP)
| Symptom | Cause | Procedure | Cars concerned |
|---|---|---|---|
| The fifth bow does not move, the soft top cover stops midway during operation and noise can be detected from the hydraulic system. | Air bubbles in the hydraulic system. | Bleed the hydraulic system, see BLEEDING THE HYDRAULIC SYSTEM | |
| The soft top stops halfway during closing or opening. | The hydraulic cylinder rod does not have sufficient ground connection. | An extra ground cable is fitted between the fifth bow mounting and cylinder, see FITTING EXTRA GROUND CABLE . | M98-M01 including VIN 17004113 |
| The soft top cannot be operated. In certain cases, it is operable but squeaks are audible. The following diagnostic trouble codes may be generated: B1865, B2015, B2016, B2020, B2021, B2045, B2050, B2051 | The arm on the fifth bow intermediate position microswitch is bent. | For replacement of microswitch for fifth bow intermediate position and grinding drive link, see SOFT TOP EMITS AUDIBLE SQUEAKS OR CANNOT BE OPERATED | |
| The soft top cannot be operated or it stops in mid-operation. SID displays the message CHECK SOFT TOP COVER and the following diagnostic trouble codes may be generated: B2025, B2026, B2030, B2031. | The microswitches for the soft top cover latches can cause functional disorders and therefore have been replaced in production with microswitches of higher quality. | For microswitch replacement, see Microswitch, soft top cover latch | M98 - M00 up to and incl. VIN Y7000913. |
| The soft top cannot be operated or it stops in mid-operation. Slow movement. Noise. The following diagnostic trouble codes may be generated: B1865, B1870, B2005, B2010, B2015, B2020, B2025, B2030, B2035. | The emergency control valve is not closed. | Close the emergency operation valve. |