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 |
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL FRONT BUMPER COVER INSERT LH
(a) Engage the clip to install the front bumper cover insert LH.
(b) Install the bolt.
Torque:
5.9 N·m {60 kgf·cm, 52 in·lbf}
2. INSTALL FRONT BUMPER COVER INSERT RH
HINT:
U ...
General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in the TOYOTA TACOMA.
In general, ECU controlled systems are considered to be very intricate,
requiring a high level of technical knowledge to troubleshoot. However,
most problem checking procedures only involv ...
Components
COMPONENTS
ILLUSTRATION
*A
for Double Cab
*B
for Access Cab
*1
AUTO HIGH BEAM SWITCH
*2
COWL SIDE TRIM BOARD LH
*3
FRONT DOOR SCUFF PLATE LH
*4
HOOD LOC ...