LEXUS SC400 1991 Service Repair Manual

LEXUS SC400 1991 Service Repair Manual SC400 1991 LEXUS LEXUS https://www.carmanualsonline.info/img/36/57051/w960_57051-0.png LEXUS SC400 1991 Service Repair Manual
Trending: heating, fuel tank removal, air bleeding, radio, tire type, catalytic converter, alternator belt

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LEXUS SC400 1991  Service Repair Manual 
(1) Connect  negative (±) terminal cable to battery.
(2) Clear malfunction code 41 stored in memory(See page  AB±32).
Check center airbag sensor assembly.
Replace center airbag sensor assembly.
(1)

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LEXUS SC400 1991  Service Repair Manual 
(1) Disconnect  connector between center airbagsensor assembly and spiral cable.
(2) Release airbag activation prevention mecha- nism on center airbag sensor assembly side of
spiral cable connector (

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LEXUS SC400 1991  Service Repair Manual 
Check center airbag sensor assembly.
Connect  center airbag sensor assembly connector.
Measure resistance between D
+, D± on center air-
bag sensor assembly side of connector between
center airbag s

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LEXUS SC400 1991  Service Repair Manual 
RELEASE METHOD OF AIRBAG ACTIVATION PREVENTION
MECHANISM
An airbag activation prevention mechanism is built into the connector for the squib circuit of the airbag
system. When release of the airbag a

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LEXUS SC400 1991  Service Repair Manual 
MEMOAB±61
SRS AIRBAG
   ±   Troubleshooting 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
CUSTOMER PROBLEM ANALYSIS
AT09Q±0A
±
A304E (1UZ±FE) AUTOMATIC TRANSMISSION TROUBLESHOOTINGAT±35 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
±Memo± AT±36
±
A304E (1UZ±FE) AUTOMATIC TRANSMISSION TROUBLESHOOTING 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
DIAGNOSIS SYSTEM
AT09R±07
The electronically controlled transmission system has built±
in self±diagnostic functions. If the malfunction occurs in the
system, the ECM stores the malfunction code in

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LEXUS SC400 1991  Service Repair Manual 
4.  Read the diagnostic trouble code indicated by thenumber of times the O/D OFF indicator light blinks.
HINT: If the system is operating normally, the light will blink
2 times per second.
The malfun

Page 280 of 4087

LEXUS SC400 1991  Service Repair Manual 
CHECK TERMINAL TT OUTPUT
VOLTAGE
AT00R±01
When a voltmeter is connected to the DLC1, the following
items can be checked.
1.  Throttle position sensor signal
2. Brake signal
3. Shift position signal
Trending: driver seat adjustment, checking oil, door lock, CD player, radio antenna, oil temperature, coolant temperature