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) |
Front Passenger Side Door ECU Communication Stop (B2322)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for front passenger side) and main body ECU (driver side junction
block assembly) stops for more than 10 seconds.
DTC No.
DTC D ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE MAGNETIC SWITCH ASSEMBLY
(a) Remove the nut and disconnect the lead wire from the magnetic switch.
(b) Remove the 2 screws holding the magnetic switch to t ...
Lost Communication with Rear Gate Module (U0230)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0230
No communication from the power back door ECU (back door motor unit)
or back door closer ECU continues.
Power ...