ad3233l600028c

ENR test of electrical system front solenoid valve

Type ad · topic 32.33 · version 0101 · 2003-06-10

Applies to: MODEL 668.3, 670.3 with CODE (CE2) Air suspension at rear with CODE (CE3) Air suspension at front and rear Elektronische Niveauregelung (ENR)

Where it sits

Function group 2 Chassis › 32 Suspension › 32.33 Ground clearance compensator (NR/ENR) — Series 668 (models 3**) · Series 670 (models 3**)

EinPAS 20 Chassis › 20.20 Level control › 20.20.1 Basic information — Series 668 (models 3**) · Series 670 (models 3**)

AD32.33-L-6000-28C

ENR test of electrical system front solenoid valve

With fault code

Scope of test

Measuring instrument/

Test connection

Operation/Requirement

Specified value

Possible cause/Remedy

1.0

FA solenoid valve

–

Short-circuit between pin 10 and 14/18/ground

With fault code 133

Ignition: On

Disconnect connector on front axle ENR solenoid valve (Y11)

Fault code

Fault code

Replace front axle ENR solenoid valve (Y11)

Carry out visual inspection on wiring harness and connectors.

If no fault can be found

1.1

1.1

FA solenoid valve

–

Short-circuit between pin 10 and 14/18/ground

1

Y11

X37

1

2

Ignition: Off

Disconnect connector X37

Actual value towards

Actual valve approx. 0 Ω

Short-circuit between green/white/yellow cable and ground or cable short-circuit to a ground cable on wiring harness from ENR control unit (A6) to connector X37

Short-circuit between green/white/yellow cable and ground or cable short-circuit to a ground cable (wiring harness from connector X37 to front axle ENR solenoid valve (Y11))