DESCRIPTION
This circuit provides power to operate the transponder key ECU assembly.
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 (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the transponder key ECU assembly connector. |
|
(b) Measure the voltage and resistance according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D22-1 (+B) - Body ground |
Always |
11 to 14 V |
D22-2 (IG) - Body ground |
Ignition switch off |
Below 1 V |
D22-2 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D22-16 (GND) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Transponder Key ECU Assembly) |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE |
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column ...
Removal
REMOVAL
PROCEDURE
1. REMOVE INSTRUMENT PANEL SAFETY PAD ASSEMBLY
(See page )
2. REMOVE NO. 1 ANTENNA CORD SUB-ASSEMBLY
(a) Disengage the 7 clamps and remove the No. 1 antenna cord sub-assembly.
3. REMOVE ROOF HEADLINING ASSEMBLY
(See page )
4. REMO ...
Operation Check
OPERATION CHECK
1. NOTICE WHEN CHECKING THE FOLLOWING
(a) Power door lock/unlock function:
This wireless door lock control function operates only when the following 3 conditions
are met:
(1) The engine switch is off.
(2) All doors are closed.
(3) The p ...