DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Clearance Warning ECU Communication Stop Mode |
Either Condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
NOTICE:
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DTC check procedure: Turn the ignition switch to ON and wait for 1 minute or more. Then operate the suspected malfunctioning system and drive the vehicle at 60 km/h (37 mph) or more for 5 minutes or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (CLEARANCE WARNING ECU ASSEMBLY CAN BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal. |
|
(b) Disconnect the clearance warning ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
C30-17 (R1) - C30-18 (R2) |
Cable disconnected from negative (-) battery terminal |
54 to 69 Ω |
*a |
Front view of wire harness connector (to Clearance Warning ECU Assembly) |
NG |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Connect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
C30-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
*a |
Front view of wire harness connector (to Clearance Warning ECU Assembly) |
OK |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedures to troubleshoot the cruise control system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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 of the
table. Check each sy ...
Pressure Control Solenoid "A" Circuit Open (P074513)
DESCRIPTION
Changing from 1st to 6th is performed by the ECM turning shift solenoid valves
SL1, SL2, SL3 and SL4 on and off. If an open or short circuit occurs in any of the
shift solenoid valves, the ECM controls the remaining normal shift solenoid valves
to allow the vehicle to be operated ...