Wiper Relay Activation Circuit

1. Ensure terminal voltage is zero volts at ECU connector terminal 4 without anti-theft system or connector 6 with anti-theft system, with wiper and ignition switch Off.

Fig. 7 ETACS Control Unit Terminal Identification:

2. Ensure battery voltage is present at ECU connector terminal 4 without anti-theft system or connector 6 with anti-theft system with wiper switch "OFF" and ignition switch in "ACC" position, Fig. 7.