Parktronic system (PTS) diagnosis, troubleshooting - AD54.65-P-5000A
MODEL 140, 168, 202, 208, 210 with CODE (220a) Parktronic system (PTS)
| There must not be any obstacle in the recording range (less than 1.5 m) in front of, at the side of or behind the vehicle. | |||
| The speed display in instrument cluster must be in order. | |||
| No plug plugged into trailer socket. | |||
| Parktronic system (PTS) diagnosis, previous knowledge | AD54.65-P-2000A | ||
| Notes on HHT, previous knowledge on diagnosis, Parktronic system (PTS) | AD54.65-P-2000-02A | ||
| Connecting assignment, previous knowledge on diagnosis, Parktronic system (PTS) | AD54.65-P-2000-04A | ||
| Troubleshooting | |||
| Complaint | Possible cause | Note | Remedy/test step |
| The red segments of the PTS front warning indicators (A44/1 and A44/4) come on at a speed of < approx. 15 km/h, reverse gear not engaged, no warning tone. | Front sensors very dirty | Clean sensors | |
| Front sensor defective | Read out fault memory | ||
| Cable open-circuit or connector not locked in position Moisture in a sensor plug Incorrect sensor fitted (different versions fitted: 2.0, 2.1, 3.0) |
AD54.65-P-6000-06A | ||
| Front PTS warning indicator with distance display when forwards gear engaged. When reverse gear is engaged, the red segments of the PTS warning indicators (A44/1, A44/3 and A44/4) come on at a speed < approx. 15 km/h, no warning tone. | Rear sensors very dirty | Clean sensors | |
| Rear sensor defective | Read out fault memory | ||
| Cable open-circuit or connector not locked in position Moisture in a sensor plug Incorrect sensor fitted (different versions fitted: 2.0, 2.1, 3.0) |
AD54.65-P-6000-06A | ||
| The red segments of the PTS warning indicators (A44/1, A44/3 and A44/4) come on at a speed of < approx. 15 km/h without a warning tone, a warning tone also sounds after a fault time of approx. 3 min., the fault depends on time and location. | System fault due to
|
Switch off system or wait until the parasitic induction has finished Read out fault memory | |
| Fault memory: Control module fault | No sensor voltage No sensor signal Sensor defective Control module defective |
AD54.65-P-6000-06A | |
| Parktronic system (PTS) completely inoperative when ignition is switched on | Fuses, PTS control module (N62) | AD54.65-P-6000-01A | |
| Parktronic system (PTS) does not switch on at a speed of < approx. 15 km/h | System switched off manually System failure while driving |
Switch system on and off manually, check light emitting diode in switch AD54.65-P-6000-01A |
|
| Parktronic system (PTS) does not switch off at a speed of > approx. 15 km/h | No speed signal | AD54.65-P-6000-07A | |
| Individual segments of warning indicators (A44/1), (A44/3) or (A44/4) do not come on | Warning indicator defective | Replace warning indicator | |
| One or more warning indicators (A44/1, A44/3 and A44/4) inoperative | No voltage supply to relevant warning indicators | AD54.65-P-6000-03A AD54.65-P-6000-03B AD54.65-P-6000-03C |
|
| After ignition is switched on (without prior test), the red segments in one or more warning indicators (A44/1, A44/3 and A44/4) come on immediately | Data bus to the relevant warning indicators defective | AD54.65-P-6000-03A AD54.65-P-6000-03B AD54.65-P-6000-03C |
|
| Rear warning indicators stay on or off permanently | Reverse gear signal incorrect | AD54.65-P-6000-08A | |
| Warning indicators too bright when lights are switched on | Signal from terminal 58 incorrect | AD54.65-P-6000-09A | |
| Rear visual and audible display when reversing with trailer | Trailer recognition defective | AD54.65-P-6000-10A | |
| Front warning indicator without obstacle in front area | Some obstacles to the side of the vehicle are also recorded, e.g. high curbs, walls, bushes, poles, signs etc. | Display correct, inform the driver | |
| Malfunction in the wet | Sensor plug not locked in position Gasket in sensor plug defective, gasket in front wiring harness plug defective | Lock plug in position Replace plug | |
| Warning indicator with and without tone, indicator cannot be assigned, "zebra" display | Loose contact in data transmission from control module to warning indicators | Check warning indicator and control module connectors |