Toyota Tacoma (2015-2018) Service Manual: Steering Pad Switch Circuit
DESCRIPTION
The forward recognition camera receives a lane departure alert switch signal from the steering pad switch assembly.
WIRING DIAGRAM
for 2TR-FE
for 2GR-FKS
CAUTION / NOTICE / HINT
NOTICE:
The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.
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PROCEDURE
|
1. |
INSPECT STEERING PAD SWITCH ASSEMBLY |
(a) Remove the steering pad switch assembly.
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(b) Inspect the steering pad switch assembly.
Click here
| NG | .gif) |
REPLACE STEERING PAD SWITCH ASSEMBLY |
|
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|
2. |
INSPECT SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
(a) Remove the spiral cable with sensor sub-assembly.
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(b) Inspect the spiral cable with sensor sub-assembly.
Click here
| NG | |
REPLACE SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY |
|
|
3. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - FORWARD RECOGNITION CAMERA) |
(a) Disconnect the S8 spiral cable with sensor sub-assembly connector.
(b) Disconnect the F46 forward recognition camera connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S8-12 (DIST) - F46-3 (LKSW) |
Always |
Below 1 Ω |
|
S8-12 (DIST) or F46-3 (LKSW) - Body ground |
Always |
10 kΩ or higher |
(d) Connect the F46 forward recognition camera connector.
(e) Connect the S8 spiral cable with sensor sub-assembly connector.
|
Result |
Proceed to |
|---|---|
|
OK (for 2TR-FE) |
A |
|
OK (for 2GR-FKS) |
B |
|
NG |
C |
| B | |
GO TO STEP 5 |
| C | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - ECM) |
(a) Disconnect the S8 spiral cable with sensor sub-assembly connector.
(b) Disconnect the E20 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S8-2 (ECC) - E20-21 (ECCS) |
Always |
Below 1 Ω |
|
S8-2 (ECC) or E20-21 (ECCS) - Body ground |
Always |
10 kΩ or higher |
(d) Connect the S8 spiral cable with sensor sub-assembly connector.
(e) Connect the E20 ECM connector.
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY - BODY GROUND) |
(a) Disconnect the S8 spiral cable with sensor sub-assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
S8-2 (ECC) - Body ground |
Always |
Below 1 Ω |
(c) Connect the S8 spiral cable sub-assembly connector.
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Vehicle Speed Tolerance Malfunction (C1AA2)
DESCRIPTION
The forward recognition camera receives vehicle speed tolerance signals from
the combination meter assembly. If the combination meter assembly detects a vehicle
speed tolerance malfun ...
Indicator Circuit
DESCRIPTION
The forward recognition camera sends indicator illumination request signals to
the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
When replacing th ...
Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the combination meter.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
...
Front Crankshaft Oil Seal
Components
COMPONENTS
ILLUSTRATION
Installation
INSTALLATION
PROCEDURE
1. INSTALL TIMING GEAR CASE OR TIMING CHAIN CASE OIL SEAL
(a) Apply MP grease to the lip of a new timing gear case or timing chain case
oil seal.
(b) Using SST and a hammer, tap in the timing gear case ...
Low Power Supply Voltage Malfunction (C1241)
DESCRIPTION
If a malfunction is detected in the power supply circuit, the skid control ECU
(brake actuator assembly) stores this DTC and the fail-safe function prohibits ABS
operation.
This DTC is stored when the +BS terminal voltage deviates from the DTC detection
condition due to a malfunc ...
