| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJQD |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: SRS Warning Light does not Come ON; 2016 - 2020 MY Sienna [12/2015 - ] | ||
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SRS Warning Light does not Come ON |
DESCRIPTION
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![2016 - 2020 MY Sienna [12/2015 - ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: SRS Warning Light Remains ON+](/t3Portal/stylegraphics/info.gif)
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WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
INSPECT BATTERY |
(a) Measure the voltage of the battery.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Battery |
Always |
11 to 14 V |
| NG |
|
CHECK AND REPLACE BATTERY OR CHARGING SYSTEM |
|
|
2. |
CHECK CONNECTION OF 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 center airbag sensor assembly and the combination meter.
OK:
The connectors are properly connected.
| NG |
|
CONNECT CONNECTORS PROPERLY |
|
|
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 connectors from the combination meter and center airbag sensor assembly.
(d) Connect the cable to the negative battery terminal, and wait for at least 2 seconds.
(e) Turn the ignition switch to ON.
(f) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D145-1 (B) - D145-20 (ES) |
Always |
11 to 14 V |
|
D145-13 (IG+) - D145-20 (ES) |
Ignition switch ON |
11 to 14 V |
Text in Illustration
|
*a |
Front view of wire harness connector (to Combination Meter) |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK SRS WARNING LIGHT |
(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.
OK:
The SRS warning light goes off after the primary check period and comes on again after approximately 10 seconds.
HINT:
The primary check period lasts for approximately 6 seconds after the ignition switch is turned to ON.
| OK |
|
| NG |
|
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