Cranking Solenoid Valve Check
- Complete "Dashpot System Check" as outlined previously. Ground coil secondary wire. Turn ignition to "111" and check that throttle control valve arm retracts as engine is cranked.
- If control valve operates, test is complete. If not, connect the connector and insert positive probe of voltmeter into Blue/Red wire on Accord and Prelude models or Green wire on Civic models.
- If no voltage was present, check wiring and fuses. If okay, replace starter relay located on relay bracket on Accord models, on fuse box/relay panel on Civic models or on left side of ignition coil on Prelude models.
- If voltage was present, disconnect hose between cranking solenoid valve and check valve at the solenoid valve. Crank the engine and check for vacuum.
- If vacuum was present, replace cranking solenoid valve and retest. If no vacuum, check vacuum line for leaks or blockage. If none, replace check valve and retest.