Toyota 4Runner manuals

Toyota 4Runner: SRS Warning Light does not Come ON

DESCRIPTION

Refer to "SRS Warning Light Remains ON" (See page ).


WIRING DIAGRAM

Refer to "SRS Warning Light Remains ON" (See page ).


CAUTION / NOTICE / HINT

NOTICE:

When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected (See page ).


PROCEDURE

1.

CHECK BATTERY

(a) Measure the voltage of the battery.

Standard voltage:

11 to 14 V


NG

REPLACE OR RECHARGE BATTERY


OK

2.

CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(c) Check that the connectors are properly connected to the combination meter.

OK:

The connectors are properly connected.


NG

CONNECT CONNECTORS PROPERLY


OK

3.

CHECK HARNESS AND CONNECTOR (SOURCE VOLTAGE OF COMBINATION METER)

(a) Turn the ignition switch off.


(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(c) Disconnect the F14 connector from the combination meter.

(d) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

(e) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

F14-17 (IG+) - F14-20 (E1)

Ignition switch ON

11 to 14 V

F14-15 (B) - F14-20 (E1)

Always

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Combination Meter)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR


OK

4.

CHECK SRS WARNING LIGHT (SHORT TO GROUND)

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.

(c) Connect the connector to the combination meter.

(d) Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.

(e) Turn the ignition switch to ON.

(f) Check the SRS warning light condition.

NOTICE:

Make sure that nobody is in the vehicle.

OK:

After the primary check period, the SRS warning light goes off for approximately 10 seconds and then remains on.

HINT:

The primary check period is approximately 6 seconds after the ignition switch is turned to ON.


OK

REPLACE CENTER AIRBAG SENSOR ASSEMBLY


NG

GO TO METER / GAUGE SYSTEM

SRS Warning Light Remains ON
DESCRIPTION The SRS warning light is located in the combination meter. When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the ignition switch is turned from o ...

Diagnosis Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. DTCs are output by the blinking of the SRS warning light. HINT: When each warning light continues blinking ...

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