Toro Vision Controller (1990): Testing and Operation Guide

Operating a Discontinued Toro Vision Irrigation Controller

New owner of property with 1990 Toro Vision model 189-66-01. No manual. Needs to test system operation.

Identifying the Controller Type

The Toro Vision is a hybrid electro-mechanical controller with a mechanical timer motor driving cams/switches, plus electronic circuitry. These were discontinued ~25 years ago.

Basic Operation Steps

1. Look for "Manual" or "Test" mode on the dial or behind the door
2. Check inside door/cover for printed instructions
3. Try advancing the manual station selector (if equipped)
4. Verify 24VAC output at station terminals with multimeter

Replacement Recommendation

Given age (30+ years), replacement is strongly advised. Parts are unavailable. Modern controllers (Rain Bird ESP-TM2, Hunter X-Core) cost $80-150, install in 30 minutes, and offer decades of reliable service with current features.