Hint:
By reading the data list displayed on an intelligent tester, values can be checked, including those of the switches, sensors, and actuators, without removing any parts. Reading the data list as the first step of troubleshooting is one method of shortening diagnostic time.
Notice:
In the table below, the values listed under normal condition are for reference only. Do not depend solely on these values when determining whether or not a part is faulty.








Hint:
Active testBrk 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. ...
Brake master cylinder
Components
On-vehicle inspection
Check brake fluid level warning switch
Remove the reservoir filler cap and strainer.
Disconnect the brake fluid level warning switch
connector.
Measure the resistance of the switch.
Hint:
There is a float inside the reservoir. Its positio ...
Emission inspection
and maintenance (i/m)
programs
Some states have vehicle emission inspection programs which
include obd (on board diagnostics) checks. The obd system
monitors the operation of the emission control system.
If the malfunction indicator lamp comes on
The obd system determines that a problem exists somewhere in the
emission contr ...