DESCRIPTION
The main body ECU (driver side junction block assembly) controls operation of the DOME CUT relay in order to supply power to the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
INSPECT DOME CUT RELAY |
(a) Remove the DOME CUT relay.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPLACE DOME CUT RELAY |
|
2. |
CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)) |
(a) Disconnect the 2C main body ECU (driver side junction block assembly) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2C-27 - Body ground |
Ignition switch off |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
CHECK HARNESS AND CONNECTOR (DOME CUT RELAY - MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) AND BODY GROUND) |
(a) Disconnect the 2R main body ECU (driver side junction block assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay Terminal 5 - 2R-6 |
Always |
Below 1 Ω |
Relay Terminal 2 - 2R-7 |
Always |
Below 1 Ω |
Relay Terminal 5 - Body ground |
Always |
10 kΩ or higher |
Relay Terminal 2 - Body ground |
Always |
10 kΩ or higher |
Relay Terminal 1 - Body ground |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
INSPECT MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
(a) Install the DOME CUT relay.
(b) Reconnect the 2C main body ECU (driver side junction block assembly) connector.
(c) Reconnect the 2R main body ECU (driver side junction block assembly) connector. |
|
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2R-6 - Body ground |
Ignition switch off |
11 to 14 V |
2R-7 - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Component with harness connected (Main Body ECU (Driver Side Junction Block Assembly)) |
OK | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DOME CUT RELAY - EACH LIGHT) |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Driver Side Door ECU Communication Stop (B2321)
DESCRIPTION
This DTC is stored when LIN communication between the power window regulator
motor assembly (for driver side) and main body ECU (driver side junction block assembly)
stops for more than 10 seconds.
DTC No.
DTC Detection ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting a vehicle with a diagnosis system, the only difference from
the usual troubleshooting procedure is connecting the Techstream to the vehicle
and reading various data output from the vehicle's skid c ...
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
2. REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (for Exhaust Side)
(a) Disconnect the oil control valve connector.
(b) Remove the ...