6E1-32
ENGINE AND EMISSION CONTROL SYSTEM
B-2 FUEL INJECTOR AND ITS CIRCUIT CHECK
1. Battery positive voltage
2. Blank
3. “FI” fuse in fuse/relay box
4. Main relay
5. ECM
6. No.1 injector
7. No.2 injector
8. No.3 injector
STEP
ACTION
YES
NO
1
Check each injector for operating sound at engine
cranking using sound scope.
Do all 3 injector make operating sound?
Fuel injector circuit is in
good condition.
Go to Step 2.
2
Does none of 3 injectors make operating sound at
Step 1?
Go to Step 4.
Go to Step 3.
3
Check fuel injector(s) referring to p. 6E1-58.
Is it in good condition?
Check coupler connection
and wire harness
of injector not making
operating sound.
Faulty fuel injector(s).
4
Check power circuit of injectors for open and short.
Is it in normal condition?
Check all 3 injectors for
resistance respectively.
If resistance is OK,
substitute a known-good
ECM and recheck.
Power circuit open or
short.
Содержание 800
Страница 354: ...UNIT REPAIR OVERHAUL ENGINE ASSEMBLY REMOVAL AND INSTALLATION Refer to Section 6A ENGINE MECHANICAL F8D ENGINE 6A1 51 ...
Страница 396: ...6E1 6 ENGINE AND EMISSION CONTROL SYSTEM ...
Страница 423: ...ENGINE AND EMISSION CONTROL SYSTEM 6E1 33 Blank ...
Страница 644: ...Prepared by Overseas Service Department 1st Ed October 1999 Printing 646 ...