P0137, P0157 HO2S2
Description
The heated oxygen sensor 2, after three way catalyst (manifold),
monitors the oxygen level in the exhaust gas on each bank.
Even if switching characteristics of the air fuel ratio (A/F) sensor 1
are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal
...
Brake warning lamp
Description
NOTE:
1: Brake warning lamp will turn on in case of parking brake operation
(when switch is ON) or of brake fluid level switch operation
(when brake fluid is insufficient).
2: After starting engine, brake warning lamp is turned off.
Component Function Check
1.B ...
Cooling fan control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*1: The ECM determines the start signal status by the signals of engine speed
and battery voltage.
*2: This signal is sent to ECM via the CAN communication line.
SYSTEM DESCRIPTION
The ECM controls the cooling fan correspon ...