Preparation for Test 1. Fuses ok, 2. Battery voltage 11 - 14 V. 3. Ignition: ON 4. Connect the Hand-Held Tester (HHT) to X11/4, according to diagram, see section 0. CAUTION! Model 210 Erasing the Combination Control Module (N10-1) DTC memory, will also erase the DTC memory for the Convenience Feature (CF) and Mirror, steering column adjustment, heated mirrors (MSC). Model 170 Erasing the Combination Control Module (N10-3) DTC memory, will also erase the DTC memory for the Convenience Feature (CF) and Retractable Hard Top (RHT).

Actual value	Possible cause	Test step/Remedy 1)
	Circuit 15R	23 3.0
	Circuit 15	23 2.0
	Circuit 49	23 26.0
	Circuit 49a	23 27.0
	Rear window defroster switch	23 22.0
	Rear window heating	23 22.0
	Low voltage	-
	Over voltage	-
	Interior lamp	23 18.0
	Entrance/exit lamp	23 17.0
	Intermittent windshield wiper	23 9.0
	Windshield wiper stage 1	23 9.0
	Windshield wiper stage 2	23 9.0
	Circuit 86, windshield wiper wash	23 10.0
	Circuit 31b, windshield wiper	23 15.0
	Windshield wiper locked up	Visual inspection of wiper motor (M6/1).

1) Observe Preparation for Test, see 22.