EPS test of electrical system emergency driving switch

Type ad · topic 26.20 · version 0100 · 2003-06-10

Applies to: TRANSMISSION 710.4 /5 /7, 717.2 /3 /5 /6 /7, 719.5 /8 in MODEL 625.1 /2, 655, 656, 657, 658, 659 TRANSMISSION 714.7, 715.2 in MODEL 625.1, 655.###, 656.###, 657.###, 658.###, 659.### ## up to 962862 TRANSMISSION 714.4 in MODEL 650.###, 651.###, 652.###, 653.###, 654.### ## up to 957416 TRANSMISSION 714.7 in MODEL 625.2

Where it sits

Function group 2 Chassis › 26 Manual transmission › 26.20 Electronic Power Shift (EPS) - Gear Control (GS) — Series 625 (models 1**, 2**) · Series 650 · Series 651 · Series 652 · Series 653 · Series 654 · Series 655 · Series 656 · Series 657 · Series 658 · Series 659

EinPAS 17 Drivetrain/axle › 17.35 Shift mechanism/gear control › 17.35.1 Basic information — Series 625 (models 1**, 2**) · Series 650 · Series 651 · Series 652 · Series 653 · Series 654 · Series 655 · Series 656 · Series 657 · Series 658 · Series 659

Also applies to engines/gearboxes: 710 4**, 710 5**, 710 7**, 714 4**, 714 7**, 715 2**, 717 2**, 717 3**, 717 5**, 717 6**, 717 7**, 719 5**, 719 8**

AD26.20-W-6001-16A

EPS test of electrical system emergency driving switch

 	Scope of test	Measuring instrument/ Test connection			Operation/Requirement	Specified value	 Possible cause/Remedy

1.0 	Emergency driving switch Reverse gear	27		14	Ignition: ON Control electronics disconnected. Emergency driving switch position N. Emergency driving switch position R.	< 5 V 21 – 29 V	 Check fuse F3 on EPS module. Shift control unit defective.  Cable open-circuit from terminal 15 shift control unit to terminal TN control unit (connection + 15 on shift control unit).
1.1	Emergency driving switch	27		17	Emergency driving switch position N. Emergency driving switch position R.	21 – 29 V < 5 V	 Cable open-circuit to MG1.