Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- The vehicle stability control system troubleshooting procedures are based on the premise that the CAN communication system is functioning normally. Check the CAN communication system first before troubleshooting the vehicle stability control system.
- *: Use the Techstream.
PROCEDURE
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
(a) Interview the customer and confirm the trouble.
Click here .gif)
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3. |
CHECK DTC AND FREEZE FRAME DATA* |
(a) Check and record DTC and Freeze Frame Data.
for DTC Check/Clear: Click here
for Freeze Frame Data: Click here
(b) Clear the DTC and Freeze Frame Data.
Click here
(c) Reconfirm the DTC.
(1) Reconfirm the DTC based on the recorded DTC and Freeze Frame Data.
for DTC Check/Clear: Click here
for Freeze Frame Data: Click here
HINT:
- If DTC U0100, U0124 or U0126 is output together with a CAN communication
DTC, first check the appropriate sensor for a momentary open circuit.
Click here
- If there is no response from the skid control ECU (brake actuator assembly),
inspect the +BS circuit of the skid control ECU (brake actuator assembly).
Click here
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Result |
Proceed to |
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DTC is output |
A |
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DTC is not output (Problem symptom does not occur) |
B |
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DTC is not output (Problem symptom occurs) |
C |
| B | .gif) |
GO TO STEP 5 |
| C | |
GO TO STEP 6 |
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4. |
DIAGNOSTIC TROUBLE CODE CHART |
(a) Proceed to Diagnostic Trouble Code Chart.
Click here
| NEXT | |
GO TO STEP 7 |
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5. |
SYMPTOM SIMULATION |
(a) Proceed to Check for Intermittent Problems.
Click here
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6. |
PROBLEM SYMPTOMS TABLE |
(a) Proceed to Problem Symptoms Table.
Click here
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7. |
CIRCUIT INSPECTION* |
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8. |
IDENTIFICATION OF PROBLEM |
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9. |
REPAIR OR REPLACE |
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10. |
CONFIRMATION TEST |
| NEXT | |
END |
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
1. CHECK FOR INTERMITTENT PROBLEMS
HINT:
A momentary interruption (open circuit) in the connectors and/or wire harnesses
between the sensors and ECUs can be detect ...
Calibration
CALIBRATION
1. DESCRIPTION
(a) After replacing any VSC related components or performing wheel alignment
adjustment, clear and read the sensor calibration data.
Refer to the table below and then p ...
Other materials:
Access doors (Access Cab models only)
The access door (rear door) can be opened using the inside handle.
Open the front door widely
Pull (from the outside) or push
(from the inside) the inside handle of the access door.
Open the access door
You can open and close the access door only when the front door is widely opened.
NOT ...
Compressor Lock Sensor Circuit (B1422)
SYSTEM DESCRIPTION
The ECM sends the engine speed signal to the air conditioning amplifier assembly
via CAN communication.
The air conditioning amplifier assembly reads the difference between compressor
speed and engine speed. When the difference becomes too large, the air conditioning
ampli ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL HYDRAULIC BRAKE BOOSTER
(a) Install a new brake booster gasket onto the hydraulic brake booster.
(b) Install the hydraulic brake booster with the 4 nuts.
Torque:
14 N·m {145 kgf·cm, 10 ft·lbf}
(c) Using a union nut wrench, connect the 4 brake l ...
