PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Suspension System
Symptom |
Suspected Area |
See page |
---|---|---|
Bottoming |
Vehicle (Overloaded) |
- |
Front coil spring (Weak) |
|
|
Rear leaf spring |
|
|
Front shock absorber (Worn) |
|
|
Rear shock absorber (Worn) |
|
|
Swaying/pitching |
Tire (Worn or improperly inflated) |
|
Front stabilizer bar (Bent or broken) |
|
|
Front shock absorber (Worn) |
|
|
Rear shock absorber (Worn) |
|
|
Front wheel shimmy |
Tire (Worn or improperly inflated) |
|
Wheel (Out of balance) |
|
|
Front shock absorber (Worn) |
|
|
Wheel alignment (Incorrect) |
|
|
Upper ball joint (Worn) |
|
|
Lower ball joint (Worn) |
|
|
Hub bearing (Worn) |
|
|
Steering linkage (Loose or worn) |
- |
|
Rear wheel shimmy |
Tire (Worn or improperly inflated) |
|
Wheel (Out of balance) |
|
|
Rear shock absorber (Worn) |
|
|
Wheel alignment (Incorrect) |
|
|
Hub bearing (Worn) |
|
|
Abnormal tire wear |
Tire (Worn or improperly inflated) |
|
Wheel alignment (Incorrect) |
|
|
Front shock absorber (Worn) |
|
|
Rear shock absorber (Worn) |
|
|
Suspension parts (Worn) |
- |
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle.
The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Terminals Of Ecu
TERMINALS OF ECU
CHECK ECM
HINT:
The standard voltage, resistance and waveform between each pair of the ECM terminals
is shown in the table below. The appropriate conditions for checking each pair of
the terminals is also indicated. The result of checks should be compared with the
standar ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may be ...