C1800

PINPOINT TEST G256924p4: B2804, C1800; RESERVOIR SOLENOID DRIVE CIRCUIT FAULT
G256924t7: CHECK THE SOLENOID DRIVE CIRCUIT FOR SHORT TO 13+
1.Disconnect the ASU electrical connector, CR91.2.Disconnect the valve block electrical connector, CR22. 3. Measure the voltage between CR22, pin 05 (130) and GROUND.
^ Is the voltage greater than 3 volts?
^ Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
^ No
GO to Pinpoint Test G256924t49.

G256924t49: CHECK THE SOLENOID DRIVE CIRCUIT FOR SHORT TO GROUND
1. Measure the resistance between CR22, pin 05 (130) and GROUND.
^ Is the resistance less than 10,000 ohms?
^ Yes
REPAIR the short circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
^ No
GO to Pinpoint Test G256924t5O.

G25692400: CHECK THE SOLENOID DRIVE CIRCUIT FOR HIGH RESISTANCE
1. Measure the resistance between CR22, pin 05 (BO) and CR91, pin 08 (130).
^ Is the resistance greater than 5,000 ohms?
Yes
^ REPAIR the high resistance circuit. For additional information, refer to the wiring diagrams. CLEAR the DTC. TEST the system for normal operation.
^ No
INSTALL a new valve block.