DESCRIPTION
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When the transponder key ECU assembly is replaced, refer to Registration (See
page ).
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR) |
(a) Check that the security indicator light illuminates when operating it with
the Active Test (See page ).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Security Indicator |
Security indicator light |
ON/OFF |
The test is possible when the following conditions are met:
|
OK:
Security indicator light can be turned on and off using the Techstream.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) |
(a) Remove the security indicator light (telltale light assembly) (See page
).
(b) Inspect the security indicator light (telltale light assembly) (See page
).
NG | ![]() |
REPLACE SECURITY INDICATOR LIGHT (TELLTALE LIGHT ASSEMBLY) |
|
3. |
CHECK HARNESS AND CONNECTOR (TELLTALE LIGHT - TRANSPONDER KEY ECU AND BODY GROUND) |
(a) Disconnect the F32 security indicator light (telltale light assembly) connector.
(b) Disconnect the F34 transponder key ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F32-6 (LP) - F34-8 (IND) |
Always |
Below 1 Ω |
F32-1 (GND) - Body ground |
Always |
Below 1 Ω |
F32-6 (LP) or F34-8 (IND) - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 air conditioning amplifier connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
...
Horn
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT HIGH PITCHED HORN ASSEMBLY
(a) Apply battery voltage and check the operation of the horn according to the
table below.
OK:
Measurement Condition
...