SYSTEM DIAGRAM
1. DOOR BUS LINES
2. CERTIFICATION BUS LINES (w/ Smart Key System)

System Description
How To Proceed With TroubleshootingProblem Symptoms Table
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
check ...
Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
DESCRIPTION
When a malfunction is detected between various ECUs and sensors, these DTCs are
stored.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM / PCM "A"
...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT FRONT AXLE HUB BEARING
(a) Remove the front wheel.
(b) for 4WD:
(1) Remove the front axle hub grease cap (See page
).
(c) Remove the front disc brake caliper (See page
).
(d) Remove the front disc.
(e) Inspect the axle hub backlash.
(1) Usi ...