PARTS LOCATION
ILLUSTRATION
Precaution
System DiagramOxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2) (P0037,P0038,P0141,P102D)
DESCRIPTION
Refer to DTC P0136 (See page ).
HINT:
When any of these DTCs are stored, the ECM enters fail-safe mode. The
ECM turns off the heated oxygen sensor heater in fail-safe mode. Fail-safe
mode continues until the ignition switch is t ...
Speed Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly receives the vehicle speed signal from the
combination meter assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter. The signal is changed to a p ...
Power Source Circuit
DESCRIPTION
1. w/o Multi-information Display
(a) This circuit is the power source circuit for the accessory meter assembly.
This circuit provides two types of power sources; one is a constant power source
mainly used as a backup power source, and the oth ...