Component Resistances:

EGR Solenoid; 5-10,000 ohms.
Canister Purge Solenoid; 20-50 ohms.
Coolant Fan Relay; 70-90 ohms.
A/C Relay; 70-90 ohms.

Fig 1: Code 26 Schematic Quad-Driver Error

G92H04638

Fig 2: Code 26 Flow Chart (1 of 2) Quad-Driver Error

G50J15916

Fig 3: Code 26 Flow Chart (2 of 2) Quad-Driver Error

G50A15917