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) |
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Starting Control or Power Source
Control / Trouble Codes.
(e) Read t ...
Calibration
CALIBRATION
1. ROTATION ANGLE SENSOR INITIALIZATION AND TORQUE SENSOR ZERO POINT CALIBRATION
NOTICE:
Clear the rotation angle sensor calibration value, initialize the rotation angle
sensor, and calibrate the torque sensor zero point if any of the followin ...
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit
...