ad8261s5000a

Auto pilot system (APS) diagnosis troubleshooting

Type ad · topic 82.61 · version 0101 · 2003-06-13

Applies to: MODEL 638.094 /194 /294 with CODE (ET6) Auto pilot system (APS)

Where it sits

Function group 3 Body › 82 Electrical system, body › 82.61 Auto Pilot System (APS), Audio 30 APS — Series 638 (models 094, 194, 294)

AD82.61-S-5000A

Auto pilot system (APS) diagnosis troubleshooting

29.5.98

MODEL 638.094 /194 /294 with CODE (ET6) Auto pilot system (APS)

	Connection and use of test equipment		AD00.00-S-1000AZ
	Auto pilot system (APS) diagnosis, previous knowledge		AD82.61-S-2000A
	Troubleshooting
Complaint	Cause	Note	Remedy
Auto pilot system (APS) inoperative	Navigation CD not loaded or loaded incorrectly Voltage supply, car radio (A9) Voltage supply, GPS processor (A85) Fuse in car radio (A9) Fuse in GPS processor (A85)	Check if navigation CD is loaded	AD82.60-S-6000-01A AD82.60-S-6000-02A
Defective navigation	Gyro sensor not in order, Global positioning system (GPS) Wheel sensors		Replace navigation processor (A85) AD82.61-S-6000-14A
Voice output inoperative	Cables Car radio (A9) GPS processor (A85)		AD82.61-S-6000-03A
Route guidance instructions are output too early or too late (e.g. "Please turn right")		Check wheel calibration
Radio or loudspeaker malfunctions	Loudspeaker system		Check loudspeaker system
Display readout is difficult to read	Display contrast too slight		Adjust display contrast

Referenced documents

ad0000s1000az Connection and use of testing equipment
ad8260s600001a Radio (RD) testing electrical system, voltage supply
ad8260s600002a Radio (RD), testing electrical system, front left speaker output
ad8261s2000a Auto pilot system (APS) diagnosis previous knowledge
ad8261s600003a APS test of electrical system navigation computer language output
ad8261s600014a Cables to ABS control module, testing electrical system APS