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:

Pressure Control Solenoid "B" Performance (Shift Solenoid Valve SL2) (P0776)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

Engine does not Start
DESCRIPTION When the key is in the vehicle and the engine switch is pressed, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. In addition, when the shift lever is in P or N and the brake pedal is depressed, the engine can be started by pressi ...

Terminals Of Ecu
TERMINALS OF ECU 1. COMBINATION METER ASSEMBLY (a) Measure the voltage, resistance and check for pulses according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition ...