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Last Modified: 11-27-2007 |
1.6 J |
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Service Category: Vehicle Interior |
Section: Supplemental Restraint Systems |
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Model Year: 2008 |
Model: LX570 |
Doc ID: RM000000YE3046X |
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Title: SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: DESCRIPTION (2008 LX570) |
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SRS Warning Light does not Come ON
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DESCRIPTION
Refer to "SRS Warning Light Remains ON"
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WIRING DIAGRAM
Refer to "SRS Warning Light Remains ON"
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INSPECTION PROCEDURE
NOTICE:
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w/ Navigation system:
After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
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When disconnecting the cable from the negative (-) battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected
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PROCEDURE
(a) Measure the voltage of the battery.
Standard voltage:
11 to 14 V
| OK |
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(a) Turn the engine 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.
| OK |
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3.
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CHECK HARNESS AND CONNECTOR (SOURCE VOLTAGE OF COMBINATION METER)
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(a) Turn the engine switch off.
(b) Disconnect the cable from the negative (-) battery terminal, and wait for at least 90 seconds.
(c) Disconnect the E77 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:
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Tester Connection
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Switch Condition
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Specified Condition
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E77-30 (IG+) - E77-26 (ET)
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Engine switch on (IG)
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11 to 14 V
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E77-21 (B) - E77-26 (ET)
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Always
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11 to 14 V
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| OK |
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4.
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CHECK SRS WARNING LIGHT (SHORT TO GROUND)
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(a) Turn the engine 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 engine switch on (IG).
(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 engine switch is turned on (IG).
| OK |
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