Description
When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON.
ECM detects the state of the brake pedal by those two types of input (ON/OFF signal).
Refer to EC-68, "System Diagram" for the ASCD function.
Component Function Check
1.CHECK ASCD BRAKE SWITCH FUNCTION
With CONSULT
Without CONSULT
Diagnosis Procedure
1.CHECK ASCD BRAKE SWITCH POWER SUPPLY CIRCUIT
2.DETECT MALFUNCTIONING PART
Check the following.
3.CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
4.DETECT MALFUNCTIONING PART
Check the following.
5.CHECK ASCD BRAKE SWITCH
6.CHECK INTERMITTENT INCIDENT
Component Inspection (ASCD Brake Switch)
1.CHECK ASCD BRAKE SWITCH-I
2.CHECK ASCD BRAKE SWITCH-II
Service data and specifications (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
Oil
Refrigerant
...
P0138, P0158 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
...
Audible reminders
Brake pad wear warning
The disc brake pads have audible wear warnings.
When a disc brake pad requires replacement, it
makes a high pitched scraping sound when the
vehicle is in motion, whether or not the brake
pedal is depressed. Have the brakes checked as
soon as possible if the warning sou ...