
System diagram

Precaution
System descriptionBrk relay
On-vehicle inspection
Inspect brk relay
Remove the brk relay from the engine room no. 1
Relay block.
Measure the resistance of the relay.
Standard resistance
If the result is not as specified, replace the relay. ...
Engine coolant temperature circuit range / performance problem
Description
Refer to dtc p0115 (see page es-105).
Monitor description
Engine coolant temperature (ect) sensor cold start monitor
When a cold engine start is performed and then the engine is warmed up, if
the ect sensor value does
not change, it is determined that a malfunction has occ ...
Removal
Discharge fuel system pressure (see page
fu-9)
Disconnect cable from negative battery
terminal
Caution:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and seat belt pretensioner activation.
Remove radiator support op ...