caution | If the battery voltage drops or rises while making
this check, Diagnosis code No.16 is set as an existing problem, making it
impossible to perform correct trouble diagnosis. Before carrying out the
following diagnosis, test the battery and charge it if necessary. |
DIAGNOSIS |
STEP 1. Check ABS-ECU connector D-251 for loose, corroded or damaged terminals, or terminals pushed back in the connector. |
Q.
Is the check result normal?
|
Go to Step 2. |
|
Repair or replace it. Then go to
Step 5. |
|
STEP 2. Check the power supply circuit at ABS-ECU harness connector D-251. |
|
OK: Approx. 12 volts (battery
positive voltage) |
Q.
Is battery positive voltage (approx. 12 volts) present?
|
Go to Step 5. |
|
Go to Step 3. |
|
STEP 3. Check intermediate connectors D-113 <4M4>, D-111 <6G7>, D-230, D-34, junction block connector D-403 and junction block connector D-405 for loose, corroded or damaged terminals, or terminals pushed back in the connector. |
Q.
Is the check result normal?
|
Go to Step 4. |
|
Repair the faulty connector or
terminal. Then go to Step 5. |
|
STEP 4. Check the harness wires between ABS-ECU connector D-251 (terminal 13) and ignition switch (IG2). |
Q.
Is the check result normal?
|
Go to Step 5. |
|
Repair or replace it. Then go to
Step 5. |
|
STEP 5. Recheck for diagnosis code. |
(1)Erase the diagnosis code. |
(2)Recheck for diagnosis code. |
Q.
Is code No.17 set?
|
Replace the ABS-ECU (Refer to GROUP
35B, ABS Control Unit ). |
|
The
procedure is complete. |
|