DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Certification ECU Communication Stop Mode |
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WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK CAN BUS WIRE FOR DISCONNECTION (CERTIFICATION ECU BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the connector of the certification ECU. Text in Illustration
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|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D25-9 (CANH) - D25-10 (CANL) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CERTIFICATION ECU BRANCH WIRE) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
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3. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE SMART KEY ECU ASSEMBLY (CERTIFICATION ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
Inspection
INSPECTION
PROCEDURE
1. INSPECT THROTTLE BODY ASSEMBLY
Text in Illustration
*1
Component without harness connected
(Throttle Body)
(a) Check that the throttle valve opens and closes smoothly.
(b) Check that there is no ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR)
(a) Disconnect the I13 connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side with the ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Monitor the ECU data by following the prompts on the Techstream screen.
HINT:
The Techstream has a "Snapshot" function which records the monitored data. Refe ...