Toyota Venza: Door Courtesy Switch Circuit
DESCRIPTION
When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch assembly (for driver side) open/close condition, and enters the key registration mode.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication
ID (See page .gif)
).
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT) |
|
(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 |
Switch Condition |
Specified Condition |
|---|---|---|
|
D22-7 (CTY) - Body ground |
Courtesy switch pushed (Door closed) |
10 kΩ or higher |
|
D22-7 (CTY) - Body ground |
Courtesy switch free (Door open) |
Below 1 Ω |
|
*1 |
Front view of wire harness connector (to Transponder Key ECU Assembly) |
| OK | .gif) |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
|
.gif)
|
2. |
INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side) |
|
(a) Remove the front door courtesy light switch assembly (for driver
side) (See page |
|
.png)
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - Switch body |
Courtesy switch pushed (Door closed) |
10 kΩ or higher |
|
1 - Switch body |
Courtesy switch free (Door open) |
Below 1 Ω |
|
*1 |
Component without harness connected (Front Door Courtesy Light Switch Assembly (for Driver Side)) |
|
*2 |
Switch Body |
| OK | |
REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSPONDER KEY ECU - FRONT DOOR COURTESY LIGHT SWITCH) |
| NG | |
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side) |
Unmatched Encryption Code (B2794)
DESCRIPTION
This DTC is stored when a key with an incomplete key code is inserted into the
ignition key cylinder.
DTC No.
DTC Detection Condition
Trouble Area
...
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DESCRIPTION
The security indicator light blinks continuously due to a continuous signal received
from the transponder key ECU assembly while in the armed state.
WIRING DIAGRAM
CAUTION / NOTICE ...
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