DESCRIPTION
This circuit is used to read the DTCs that are output from the transponder key ECU assembly with the Techstream.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication
ID (See page
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (DLC3 - TRANSPONDER KEY ECU AND BODY GROUND) |
|
(a) Disconnect the transponder key ECU assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D22-9 (D) - D1-7 (SIL) |
Always |
Below 1 Ω |
|
D1-4 (CG) - Body ground |
Always |
Below 1 Ω |
|
D22-9 (D) - Body ground |
Always |
10 kΩ or higher |
|
D1-7 (SIL)- Body ground |
Always |
10 kΩ or higher |
|
*1 |
Front view of wire harness connector (to Transponder Key ECU Assembly) |
|
*2 |
Front view of wire harness connector (to DLC3) |
| OK | |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
ECU Power Source CircuitHow To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Registration
REGISTRATION
CAUTION / NOTICE / HINT
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
The VIN is a 17-digit alphanumeric vehicle identification number. The Techstream
is required to register the VIN.
PROCEDU ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
w/Camera mirror:The timing of the change between high beams and low beams differs
depending on the light transmission rate of the glass. For this reason, when replacing
the windshield, replace it with an original ...