Electronic level control (ELC) test, electronics · ad3233l6000a · Mercedes-Benz WIS

AD32.33-L-6000A

Electronic level control (ELC) test, electronics

14.5.12

MODEL 668.3, 670.3
with CODE (CE2) Rear air suspension
with CODE (CE3) Front and rear air suspension
Electronic level control (ELC) with control unit (25-pin), if no fault code is stored

	Electronic level control (ELC) diagnosis previous knowledge	AD32.33-L-2001A
	Connection scheme for ELC socket box	AD32.33-L-2001-05A
	Perform checks if there is a fault in the ELC and no fault codes have been stored
	Vehicle electrical voltage OK (with 12V systems, the voltage for the ELC is switched to 24V by the voltage doubler)
	Check indicator lamps by means of self-test (up to 2s after ignition ON)
	Checking
1	Power supply, electrical test of ELC	AD32.33-L-6000-18A
2	Brake light signal, electrical test of ELC	AD32.33-L-6000-04A
3	ELC indicator lamp, electrical test of ELC	AD32.33-L-6000-19A
4	ELC warning lamp, electrical test of ELC	AD32.33-L-6000-09A
5	Operating unit, electrical test of ELC	AD32.33-L-6000-20A
6	Rear axle solenoid valve block, electrical test of ELC	AD32.33-L-6000-21A
7	Front solenoid valve, electrical test of ELC	AD32.33-L-6000-28A
8	Left rear axle position sensor, electrical test of ELC	AD32.33-L-6000-23A
9	Right rear axle position sensor, electrical test of ELC	AD32.33-L-6000-22A
10	Front axle position sensor, electrical test of ELC	AD32.33-L-6000-24A
11	Vehicle speed signal, electrical test of ELC	AD32.33-L-6000-10A

Referenced documents

ad3233l200105a ENR socket box connection diagram
ad3233l2001a Electronic level control (ELC) diagnosis previous knowledge
ad3233l600004a ENR test of electrical system brake light signal
ad3233l600009a ENR test of electrical system ENR warning lamp
ad3233l600010a ENR test of electrical system vehicle speed signal
ad3233l600018a ENR test of electrical system voltage supply
ad3233l600019a ENR test of electrical system ENR indicator lamp
ad3233l600020a ENR test of electrical system operating unit
ad3233l600021a ENR test of electrical system rear axle solenoid valve block
ad3233l600022a ENR test of electrical system right rear axle position sensor
ad3233l600023a ENR test of electrical system left rear axle position sensor
ad3233l600024a ENR test of electrical system front axle position sensor
ad3233l600028a ENR test of electrical system front solenoid valve