Toyota Tacoma (2015-2018) Service Manual: How To Proceed With Troubleshooting

Toyota Tacoma (2015-2018) Service Manual / Supplemental Restraint Systems / Occupant Classification System / How To Proceed With Troubleshooting

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

Click here

3.	PASSENGER AIRBAG ON/OFF INDICATOR CHECK

Click here

4.	DTCs CHECK (Present and Past DTCs)

Click here (a) Check for DTCs.

(a) Check for DTCs.

Result	Proceed to
DTC is output.	A
DTC is not output.	B

GO TO PROBLEM SYMPTOMS TABLE

5.	DTCs CHART

Click here

6.	CIRCUIT INSPECTION

7.	REPAIR OR REPLACEMENT

8.	DTC CLEARANCE (Present and Past DTCs)

Click here (a) Clear the DTCs.

(a) Clear the DTCs.

9.	DTC CHECK (Present and Past DTCs)

Click here (a) Check for DTCs.

(a) Check for DTCs.

Result	Proceed to
DTC is not output.	A
DTC is output.	B

GO TO STEP 5

10.	SYMPTOM SIMULATION

Click here (a) Check the passenger airbag ON/OFF indicator condition.

(a) Check the passenger airbag ON/OFF indicator condition.

Result	Proceed to
Passenger airbag ON/OFF indicator is operating normally.	A
Passenger airbag ON/OFF indicator (OFF) and SRS warning light come on.	B

GO TO STEP 5

11.	CONFIRMATION TEST

END

Precaution

PRECAUTION 1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED IN ACCIDENT (a) Perform the zero point calibration and sensitivity check if any of the following conditions apply. The occupant dete ...

Initialization

INITIALIZATION 1. ZERO POINT CALIBRATION NOTICE: Make sure that the front passenger seat is not occupied before performing the operation. HINT: Perform the zero point calibration and sensitivit ...

Other materials:

Clutch Switch Circuit
DESCRIPTION While depressing the clutch pedal, the clutch start switch assembly sends a signal to terminal MTN of the 4 wheel drive control ECU. While the signal is input, switching between H4 and L4 is possible. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREA ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE TAIL GATE PROTECTOR (See page ) 2. REMOVE TAIL GATE SERVICE HOLE COVER (a) Using a T30 "TORX" socket wrench, remove the 8 screws and tail gate service hole cover. 3. REMOVE REAR TELEVISION CAMER ...

Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION A-TRAC is activated if wheel skid is detected while the transfer is in the L4 position. DTC Code DTC Detecting Condition Trouble Areas C1268 L4 detection switch signal input to skid control ECU (master cylinder solenoid ...