AD82.61-S-3000A | Auto-pilot-system (APS) diagnosis operational check | 28.5.98 |
MODEL 638.094 /194 /294 with CODE (ET6) Auto-pilot-system (APS)
Auto pilot system (APS) diagnosis, previous knowledge | |||
Function check on the APS test program | |||
Radio and navigation operating unit (APS) (A2/29) display | Operation/Requirement | Specified value | Possible cause/Remedy |
400 PLEASE SELECT: WHEEL SENSOR TEST COMPASS TEST INTERNAL TESTS GPS TESTING | Ignition: ON APS: ON Work through all menu items in sequence | ||
400 WHEEL SENSOR TEST | Select WHEEL SENSOR TEST menu and drive straightahead for a short distance | ||
405 WHEEL1-KM/H-WHEEL2 ... ... COUNTER DIFF: ... CHANGE IN DIR.: ... RESET COUNTER |
Reset counter reset: Press rotary volume knob. Further on in the menu: Press RET BUTTON |
The speeds of the two front wheels are shown separately on the display. The values must be roughly the same when driving straightahead. Deviations are displayed as a counter difference. Each time the direction of travel changes (forwards/back), the value of the CHANGE IN DIRECTION must increase by a factor of one (reverse gear recognition). | |
440 INTERNAL TESTS | Select INTERNAL TESTS menu (A85) If the navigation processor is replaced, the system must be "commissioned" in full | 455 SELF-TEST OK | |
400 GPS TESTING | Select GPS TESTING menu. Only carry out testing in the open air | For example: 460 8 SAT. AVAILABLE 8 SAT. VISIBLE 6 SAT. CAN BE RECEIVED LATITUDE: 52.11 N LONGITUDE: 9.89 E |
Referenced documents
- ad8261s2000a Auto pilot system (APS) diagnosis previous knowledge
- ad8261s600006a APS test of electrical system reversing signal
- ad8261s600014a Cables to ABS control module, testing electrical system APS
- ad8261s6000a Auto pilot system (APS) test of electrical system