DESCRIPTION
The fuel injector assemblies are located on the intake manifold. They inject fuel into the cylinders based on signals from the ECM.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK FUEL INJECTOR ASSEMBLY (POWER SOURCE) |
(a) Disconnect the fuel injector assembly connector. |
|
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
B44-1 - Body ground |
Ignition switch ON |
11 to 14 V |
B45-1 - Body ground |
Ignition switch ON |
11 to 14 V |
B46-1 - Body ground |
Ignition switch ON |
11 to 14 V |
B47-1 - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Fuel Injector Assembly) |
NG | ![]() |
GO TO STEP 4 |
|
2. |
INSPECT FUEL INJECTOR ASSEMBLY |
(a) Inspect the fuel injector assembly (See page
).
HINT:
Perform "Inspection After Repair" after replacing the fuel injector assembly
(See page ).
NG | ![]() |
REPLACE FUEL INJECTOR ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (FUEL INJECTOR ASSEMBLY - ECM) |
(a) Disconnect the fuel injector assembly connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B44-2 - B58-85 (#10) |
Always |
Below 1 Ω |
B45-2 - B58-84 (#20) |
Always |
Below 1 Ω |
B46-2 - B58-83 (#30) |
Always |
Below 1 Ω |
B47-2 - B58-82 (#40) |
Always |
Below 1 Ω |
Standard Resistance (Check for Short):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B44-2 or B58-85 (#10) - Body ground |
Always |
10 kΩ or higher |
B45-2 or B58-84 (#20) - Body ground |
Always |
10 kΩ or higher |
B46-2 or B58-83 (#30) - Body ground |
Always |
10 kΩ or higher |
B47-2 or B58-82 (#40) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (FUEL INJECTOR ASSEMBLY - ECM) |
4. |
CHECK HARNESS AND CONNECTOR (IG2 RELAY - FUEL INJECTOR ASSEMBLY) |
(a) Disconnect the fuel injector assembly connector.
(b) Remove the IG2 relay from the engine room relay block.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Open):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B44-1 - 5 (IG2 relay terminal) |
Always |
Below 1 Ω |
B45-1 - 5 (IG2 relay terminal) |
Always |
Below 1 Ω |
B46-1 - 5 (IG2 relay terminal) |
Always |
Below 1 Ω |
B47-1 - 5 (IG2 relay terminal) |
Always |
Below 1 Ω |
Standard Resistance (Check for Short):
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B44-1 or 5 (IG2 relay terminal) - Body ground |
Always |
10 kΩ or higher |
B45-1 or 5 (IG2 relay terminal) - Body ground |
Always |
10 kΩ or higher |
B46-1 or 5 (IG2 relay terminal) - Body ground |
Always |
10 kΩ or higher |
B47-1 or 5 (IG2 relay terminal) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
CHECK ECM POWER SOURCE CIRCUIT |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 RELAY - FUEL INJECTOR ASSEMBLY) |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The wireless door lock control system troubleshooting procedures are
based on the premise that the power door lock control system is operating
normally. Check the power door lock control system first before troub ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
The TCM of this system is connected to the CAN communication system.
Therefore, before starting troubleshooting, make sure to check that there
is no trouble in the CAN and multiplex communication system.
*: U ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Do not remove the oil pump or oil pump relief valve from the timing chain cover
sub-assembly.
PROCEDURE
1. INSTALL ENGINE ON ENGINE STAND
(See page )
2. REMOVE IGNITION COIL ASSEMBLY
3. REMOVE CYLINDER HEAD ...