DESCRIPTION
This circuit provides power for main body ECU (driver side junction block assembly) operation.
WIRING DIAGRAM
PROCEDURE
1. |
CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE)) |
(a) Disconnect the 2C 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-24 - Body ground |
Always |
11 to 14 V |
2C-30 - Body ground |
Always |
11 to 14 V |
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - BODY GROUND) |
(a) Disconnect the 2F main body ECU (driver side junction block assembly) connectors. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
2F-16 - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedure to troubleshoot the seat belt warning system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
PS Warning Light Remains ON
DESCRIPTION
If the power steering ECU detects a malfunction, the P/S warning light comes
on. At this time, the power steering ECU stores a DTC in its memory.
WIRING DIAGRAM
1. w/ Smart Key System
2. w/o Smart Key System
CAUTION / NOTICE / HINT
NOTI ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...