FUEL INJECTION SYSTEM
8-62
6 Malfunction in ECU. Execute the diagnostic
mode. (Code No. 33)
No spark → Replace the
ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-174.
Fault code No. 39
Item Injector: open or short circuit detected.
Fail-safe system
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
Diagnostic code No. 36, 37, 38, 39
36
Actuation
Actuates injector #1 five times at one-second intervals.
Illuminates the engine trouble warning light.
Procedure
Check that injector #1 is actuated five times by listening for the op-
erating sound.
37
Actuation
Actuates injector #2 five times at one-second intervals.
Illuminates the engine trouble warning light.
Procedure
Check that injector #2 is actuated five times by listening for the op-
erating sound.
38
Actuation
Actuates injector #3 five times at one-second intervals.
Illuminates the engine trouble warning light.
Procedure
Check that injector #3 is actuated five times by listening for the op-
erating sound.
39
Actuation
Actuates injector #4 five times at one-second intervals.
Illuminates the engine trouble warning light.
Procedure
Check that injector #4 is actuated five times by listening for the op-
erating sound.
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Identify the malfunctioning
injector.
Execute the diagnostic
mode. (Code Nos. 36, 37,
38, 39)
Identify the injector that does
not produce an operating
sound.
Perform the following proce-
dures for the defective injec-
tor.
Refer to “CHECKING THE
FUEL INJECTORS” on page
8-191.
—
Fault code No. 36
Item
Cylinder-#4 ignition coil: open or short circuit detected in the
primary lead of the cylinder-#4 ignition coil.
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