Power Supply Circuit Test
- Release all pressure from brake and clutch pedals. Turn ignition on. Turn cruise control main switch to ON position. Place automatic transmission in Drive.
- Measure voltage between cruise control module harness connector terminals No. 3 and 4. See Figure and Figure. If battery voltage is present, power supply circuit is okay. If battery voltage is not present, check continuity between control module terminal No. 4 and cruise control relay.