
Inspection
Standard resistance 
If the result is not as specified, replace the switch assembly.
Ecu power source circuit
Description
This circuit provides power to operate the transponder key ecu.
Wiring diagram

Inspection procedure
Standard resistance:
below 1 


Standard resistance 
Standard voltage 

Proceed to next circuit inspection shown in problem symptoms table
Security indicator light circuit
HornForward clutch
Components
Disassembly
Inspect forward clutch (see page ax-227)
Remove forward multiple disc clutch disc
Using a screwdriver, remove the snap ring.
Remove the flange , 5 discs and 5 plates from the
input shaft.
Inspect forward multiple disc clutch disc (see page ax-228 ...
Installation
Install crankshaft position sensor
Notice:
Make sure that the o-ring is not cracked or jammed
when installing it.
Apply a light coat of engine oil to the o-ring of the
sensor.
Install the sensor with the bolt.
Torque: 9.0 N*m (90 kgf*cm, 80 in.*Lbf)
Install the wire ha ...
Terminals of ecu
Check tire pressure warning ecu
Disconnect the e56 ecu connector.
Measure the voltage and resistance of the wire
harness side connector.
If the result is not as specified, there may be a
malfunction on the wire harness side.
Reconnect the e56 ecu connector.
Measure the ...