DESCRIPTION
The transponder key ECU assembly blinks the security indicator light when the immobiliser is set.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
If the transponder key ECU assembly is replaced, refer to Service Bulletin.
PROCEDURE
PERFORM ACTIVE TEST USING GTS (SECURITY INDICATOR)
Connect the GTS to the DLC3.
Turn the ignition switch to ON.
Turn the GTS on.
Enter the following menus: Body Electrical / Immobiliser / Active Test.
Perform the Active Test according to the display on the GTS.
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Security Indicator | Theft warning indicator light assembly | ON/OFF | - |
| Tester Display |
|---|
| Security Indicator |
| OK |
|---|
| Security indicator light can be turned on and off using the GTS. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
| NG |
|
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU ASSEMBLY - THEFT WARNING INDICATOR LIGHT ASSEMBLY AND BODY GROUND)
Disconnect the G127 transponder key ECU assembly connector.
Disconnect the H2 theft warning indicator light assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK TRANSPONDER KEY ECU ASSEMBLY (TERMINAL IND)
Connect the G127 transponder key ECU assembly connector.
| *a | Front view of wire harness connector (to Theft Warning Indicator Light Assembly) |
Measure the voltage and check for pulses according to the value(s) in the table below.
| Standard Voltage | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE THEFT WARNING INDICATOR LIGHT ASSEMBLY Click here |
| NG |
|
REPLACE TRANSPONDER KEY ECU ASSEMBLY |