Toyota RAV4 manuals

Toyota Sienna Service Manual: SRS Warning Light does not Come ON

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK BATTERY

  1. Measure the voltage of the battery.

Standard voltage: 11 to 14 V

2 CHECK CONNECTORS

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3.  Check that the connectors are properly connected to the center airbag sensor assembly and the combination meter assembly.

OK: The connectors are properly connected.

3 CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)

CHECK WIRE HARNESS (SOURCE VOLTAGE OF COMBINATION METER ASSEMBLY)

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3.  Disconnect the connector from the combination meter assembly.
  4.  Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  5.  Turn the ignition switch to the ON position.
  6.  Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

  1. Turn the ignition switch to the LOCK position.
  2.  Measure the resistance according to the value(s) in the table below.

Standard Resistance

Standard Resistance

4 CHECK SRS WARNING LIGHT

  1. Turn the ignition switch to the LOCK position.
  2.  Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
  3.  Connect the connector to the combination meter assembly.
  4.  Disconnect the connector from the center airbag sensor assembly.
  5.  Connect the negative (-) terminal cable to the battery, and wait for at least 2 seconds.
  6.  Turn the ignition switch to the ON position.
  7.  Check the SRS warning light condition.

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

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

REPLACE CENTER AIRBAG SENSOR ASSEMBLY

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

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

Other materials:

Open in Occupant Classification ECU Battery Positive Line
DTC B1794 Open in Occupant Classification ECU Battery Positive Line DESCRIPTION This circuit consists of the occupant classification ECU and the power source circuit (battery, fuse, wire harness). DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or t ...

DVD Player Mechanical Error/ DVD Insertion and Ejection Error/ DVD Reading Abnormal
DTC 44-10 DVD Player Mechanical Error DTC 44-11 DVD Insertion and Ejection Error DTC 44-12 DVD Reading Abnormal DESCRIPTION DTC No. DTC Detecting Condition Trouble Area 44-10 A mechanical error in the DVD player is detected while the DVD is not being inser ...

Emergency flashers
The emergency flashers are used to warn other drivers when the vehicle has to be stopped in the road due to a breakdown, etc. Press the switch. All the turn signal lights will flash. To turn them off, press the switch once again. Emergency flashers If the emergency flashers are used f ...

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