Slow Fuel-Cut System: B2600

Bring engine to normal operating temperature and run at idle. Connect a voltmeter to "e" terminal of solenoid valve connector. See Fig 1 .

Fig 1: Check Connector Terminal (B2600)
Courtesy of MAZDA MOTORS CORP.
Connect a tachometer. Observe voltmeter and tachometer. Accelerate engine to 4000 RPM and decelerate rapidly. During deceleration, voltmeter should momentarily read 13-15 volts and then 0-0.6 volts at idle.