Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
- Use this procedure to troubleshoot the seat heater 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 to confirm the trouble.
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3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
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4. |
CHECK FOR DTC (AIR CONDITIONING SYSTEM)* |
(a) Clear the DTCs.
Click here .gif)
(b) Check for DTCs.
Click here
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Result |
Proceed to |
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DTCs are not output |
A |
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DTCs are output |
B |
| B | .gif) |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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5. |
CHECK FOR DTC (SEAT HEATER SYSTEM)* |
(a) Clear the DTCs.
Click here
(b) Check for DTCs.
Click here
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Result |
Proceed to |
|---|---|
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DTCs are not output |
A |
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DTCs are output |
B |
| B | |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
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6. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
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Result |
Proceed to |
|---|---|
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Fault is not listed in Problem Symptoms Table |
A |
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Fault is listed in Problem Symptoms Table |
B |
| B | |
GO TO STEP 8 |
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7. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Operation Check
Click here
(b) Terminals of ECU
Click here
(c) Data List / Active Test
Click here
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8. |
REPAIR OR REPLACE |
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9. |
CONFIRMATION TEST |
| NEXT | |
END |
System Diagram
SYSTEM DIAGRAM
...
Operation Check
OPERATION CHECK
1. CHECK SEAT HEATER
(a) Turn the ignition switch to ON.
(b) Check that the indicator illuminates and the surface of the front seat warms
up, when the seat heater switch on the ai ...
Other materials:
Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC) (C1277,...,C1416)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1277
C1278
Stored only during test mode.
Rear speed sensor RH/LH
Rear speed sensor rotor RH/LH (Rear ax ...
Installation
INSTALLATION
PROCEDURE
1. SET NO. 1 CYLINDER TO TDC/COMPRESSION
2. INSTALL CAMSHAFT TIMING GEAR BOLT
NOTICE:
There are different types of camshaft timing gear bolts. Make sure to check the
identification mark to determine the tightening torque.
*a
Identification Ma ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 3 REAR BODY NAME PLATE (for 2GR-FKS)
2. INSTALL NO. 2 REAR BODY NAME PLATE (for 4WD)
3. INSTALL SIDE GATE SUPPORT FEMALE HINGE RH
(a) Engage the claw to install the side gate support female hinge RH.
...
