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) |
Operation Check
OPERATION CHECK
1. CHECK POWER DOOR LOCK CONTROL OPERATION
NOTICE:
The following procedure is based on the assumption that the functions have not
been customized using the Techstream.
(a) Check basic functions.
(1) Check that all doors lock when the loc ...
Engine Hood Courtesy Switch Circuit
DESCRIPTION
The security courtesy switch is installed together with the hood lock. This switch
turns off when the engine hood is opened and turns on when the engine hood is closed.
WIRING DIAGRAM
PROCEDURE
1.
INSPECT HOOD LOCK AS ...
Ignition Switch
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE LOWER STEERING COLUMN COVER
2. REMOVE UPPER STEERING COLUMN COVER
3. REMOVE IGNITION SWITCH
(a) Remove the 2 screws and ignition switch.
...