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FUEL SYSTEM (DFI) 3-91
Stick Coils #1, #2, #3, #4 (Service Code 51, 52, 53, 54)
Stick Coil #1: Service Code 51
Stick Coil #2: Service Code 52
Stick Coil #3: Service Code 53
Stick Coil #4: Service Code 54
Stick Coil Removal/Installation
•
Refer to the Stick Coil Removal/Installation in the Electri-
cal System chapter.
Stick Coil Primary Winding Resistance Inspection
•
Refer to the Stick Coil Inspection in the Electrical System
chapter.
If the reading is within the standard, check the input volt-
age (see Stick Coil Input Voltage Inspection).
Stick Coil Input Voltage Inspection
NOTE
○
Be sure the battery is fully charged.
•
Turn the ignition switch off.
•
Remove the ECU (see ECU Removal).
Do not disconnect the ECU connectors.
•
Connect a digital meter [A] to the connector [B] with the
needle adapter set.
Special Tool - Needle Adapter Set: 57001-1457
Stick Coil Input Voltage
Connections to ECU Connector:
For Stick Coil #1
Digital Meter (+) → BK lead (terminal 44)
Digital Meter (–) → Frame Ground Terminal
For Stick Coil #2
Digital Meter (+) → BK/R lead (terminal 55)
Digital Meter (–) → Frame Ground Terminal
For Stick Coil #3
Digital Meter (+) → BK/O lead (terminal 66)
Digital Meter (–) → Frame Ground Terminal
For Stick Coil #4
Digital Meter (+) → BK/G lead (terminal 43)
Digital Meter (–) → Frame Ground Terminal
•
Measure the input voltage to each primary winding of the
stick coils with the engine stopped and with the connec-
tors joined.
•
Turn the engine stop switch to run position.
•
Turn the ignition switch on.
Input Voltage
Standard:
Battery Voltage
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