Electrical Test

(Fault code 4443)

Requirement:
^ Ignition switched to OFF position
- insert spare fuse in top of fuel pump relay
- turn ignition ON, remove fuse after four seconds
- re-insert fuse for four seconds, then remove
- re-insert fuse for four seconds, then remove
- re-insert fuse for four seconds, then remove
^ fault indicator light displays 4443 code
- close full throttle switch
^ cold start valve clicks ON and OFF (for a maximum of ten seconds) when full throttle switch is closed

If NO
- proceed as follows





- disconnect cold start valve connector (arrow)





- connect US 1115 LED tester between terminals 1 and 2 of cold start valve harness connector
^ US 1115 should light up

If specification IS obtained
- replace cold start valve

If specification is NOT obtained
- connect multimeter US 1119 between connector terminal 1 and ground
- specification: approximately 12 volts

If specification is NOT obtained
- repair break in wiring, using wiring diagram

If specification IS obtained
- remove fuel injection control unit cover in right passenger foot well and disconnect control unit connector





- connect multimeter US 1119 between terminal 2 of cold start valve connector and terminal 16 of fuel injection control unit connector
^ specification: approximately 0.2 ohms

If specification is NOT obtained
- repair break in wiring, using wiring diagram

If specification IS obtained
- replace fuel injection control unit