Volvo Workshop Manuals
940 L4-2.3L SOHC VIN 88 B230F (1992)
Powertrain Management > Relays and Modules - Powertrain Management > Relays and Modules - Ignition System > Ignition Control Module > Component Information > Testing and Inspection > Bendix > Page 4504
Checking Pin 4
Turn ignition ON.
Check voltage to ignition coil and power stage by connecting a voltmeter between pin 4 and ground.
Reading: approx. 12 volts.
Checking Pin 4 With Load
Operate starter motor.
Reading: minimum of 10.5V
If voltage to low, check battery and charging system (see STARTING AND CHARGING SYSTEMS).
No voltage, check blue wire from pin 4 to ignition coil to fuse box (located behind center console ash tray). Fix wiring or replace fuse as
Checking Pin 5
Check connection between power stage and ignition control unit. Connect voltmeter between pin 5 and ground.
Crank engine and read voltmeter at same time.
Voltmeter should fluctuate: between 0 and approx. 2V
If all previous tests turned out positive and no spark is available at coil (high-tension outlet), replace power stage and retest.
Turn ignition OFF.
After testing, disconnect all test equipment, reconnect all connectors and place rubber boot back over connector to cover pins.
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