| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM00000185Z001X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: Diagnosis Circuit; 2007 MY LX470 [08/2006 - ] | ||
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Diagnosis Circuit |
DESCRIPTION
This circuit sends a signal to the ECU that outputs DTC.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT DLC3 TERMINAL VOLTAGE |
(a) Turn the ignition switch ON.
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(b) Measure the voltage of the connector. Standard voltage:
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|
| OK |
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PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE |
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2. |
CHECK WIRE HARNESS (TRANSPONDER KEY ECU ASSEMBLY - DLC3 AND BODY GROUND) |
(a) Disconnect the T27 ECU connector.
(b) Disconnect the D8 DLC3 connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:
|
Tester Connection |
Specified Condition |
|---|---|
|
T27-9 (D) - D8-7 (SIL) |
Below 1 Ω |
|
D8-4 (CG) - Body ground |
|
|
T27-9(D) - Body ground |
10 kΩ or higher |
| NG |
|
| OK |
|
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