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FUEL SYSTEM (DFI) 3-61
ECU
•
Check the ECU power source voltage with a tester [A].
○
Position the terminal in accordance with terminal numbers
of ECU connector [B] in this chapter figure.
ECU Power Source Inspection
Tester Connections:
2(R/G)Terminal–Battery(−)Terminal
9(R/W)Terminal–Battery(−)Terminal
28 (Y/R) Terminal – Battery (−)Terminal
30 (R/Y) Terminal – Battery (−)Terminal
Terminal Voltage:
Ignition Switch OFF:
2(R/G)Terminal→ Battery Voltage
9(R/W)Terminal→ 0V
28 (Y/R) Terminal → 0V
30 (R/Y) Terminal → 0V
Ignition Switch ON:
2(R/G)Terminal→ Battery Voltage
9(R/W)Terminal→ Battery Voltage
28 (Y/R) Terminal → 0V
30 (R/Y) Terminal → 0V
Ignition Switch ON and Start Button ON:
All Terminals → Battery Volta ge
○
Pushing the start button, run the engine 3 ∼ 4 seconds.
○
Wait 15 seconds before using the starter again.
If the tester does not read as specified, check the follow-
ing:
Power Source Wiring (see wiring diagram below)
Main Fuse 20 A (see Electrical System chapter)
ECU Main Relay (see DFI Power Source section)
Ignition Switch (see Electrical System chapter)
Start Switch (see Electrical System chapter)