HE. Checking the DI EZ 116 K

HE. Checking the DI EZ 116 K

HE1




Checking The Power Stage GND Terminal
- Ignition off.
- Disconnect the power stage connector.
Connect an ohmmeter between 2 on the connector and GND.
The ohmmeter should read 0 ohms.

If this value is OK
^ Check the power supply to the power stage HE2.

If the reading is incorrect
^ Check the wiring and the GND point at the intake manifold for breaks in accordance with NA2. NA. Checking the Wiring

HE2




Checking the power supply to the power stage
- Ignition on.
Connect a voltmeter between 4 on the connector and GND.
The voltmeter should read battery voltage.

If this value is OK
^ Check the control signal to the power stage HE3.

If the reading is incorrect
^ Check the wiring between the ignition switch and terminal 4 on the connector for breaks in accordance with NA2. NA. Checking the Wiring

HE3




Checking The Control Signal To The Power Stage
Connect a voltmeter between terminal 5 on the connector and GND.
The voltmeter should read approx. 0.1 V

If this value is OK
^ Try using a new power stage.

If the reading is incorrect
^ Connect the test box to DI HE4.

HE4




Connecting The Test Box To DI EZ 116 K
Connect the test box to DI and check the GND terminal in accordance with P3-P4. P. Test Box, Signal Description
^ Continue with Checking the signal wiring HE5.

HE5




Checking The Signal Wiring
Connect an ohmmeter between #5 and #20.
The ohmmeter should read infinite resistance.

If this value is OK
^ Check the power supply (30-supply) HE6.

If the reading is 0 ohms
^ Check the wiring to #5 on the control module for grounding in accordance with NA3. NA. Checking the Wiring

HD6




Checking The Power Supply (30-supply)
- Connect the control module to the test box.
- Install fuse 1 (or 31).
- Ignition off.
Connect the voltmeter between #5 and #20 (GND).
The voltmeter should read battery voltage.

If this value is OK
^ Check the power supply (15V supply) HE7.

If the reading is incorrect
^ Check the wiring between the control module and battery for breaks in accordance with NA2. NA. Checking the Wiring

HE7




Checking The Power Supply (15V Supply)
- Ignition on.
Connect the voltmeter between #6 and #20 (GND).
The voltmeter should read battery voltage.
Check to see if there is a voltage reading when the starter motor is operating.

If this value is OK
^ Check the control signal to the power stage HE8.

If the reading is incorrect
^ Check the wiring between the control module and the ignition switch for breaks in accordance with NA2. NA. Checking the Wiring

HE8




Checking The Control Signal To The Power Stage
Connect a voltmeter between #16 and #20 (GND).
- Operate the starter motor.
The voltmeter should read at least 250 mV.

If this value is OK
^ Check the wiring between #16 and terminal 5 on the power stage for breaks in accordance with NA2. NA. Checking the Wiring

If the reading is incorrect
^ Try using a new control module