DESCRIPTION
This circuit provides power to operate the transponder key ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (TRANSPONDER KEY ECU - BATTERY AND BODY GROUND) |
(a) Disconnect the F34 ECU connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F34-1 (+B) - Body ground |
Always |
11 to 14 V |
F34-2 (IG) - Body ground |
Ignition switch off |
Below 1 V |
Ignition switch ON |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F34-16 (GND) - Body ground |
Always |
Below 1 Ω |
*a |
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 |
Automatic running boards
The Automatic running boards are linked to the side door operations,
extending and retracting when a side door is opened and closed. When a door is
opened or closed, the board on the same side extends or retracts.
1. Opening a door: The appropriate boar ...
Lost Communication with ECM / PCM "A" (U0100,U0129,U0131,U0151)
DESCRIPTION
The combination meter assembly communicates with the ECM via the CAN communication
system (CAN No. 1 Bus).
DTC Code.
DTC Detection Condition
Trouble Area
U0100
IG voltage is 9.5 V or ...