Check if the treadwear indicators are showing on the tires. Also check the tires for uneven wear, such as excessive wear on one side of the tread. Check the spare tire condition and pressure if not rotated.
The location of treadwear indicators is shown by a “TWI” or “
” marks,
etc., molded into the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.
Problem symptoms table
POWER SLIDE DOOR SYSTEM
Symptom
Suspected Area
Power slide door LH does not operate when switch* is
pressed (* switch indicates satellite switch for power
slide door LH and power slide door control switch LH)
ECU-B fuse
Power slide door main switch ...
On-vehicle inspection
1. Check battery electrolyte level
(a) Check the electrolyte level.
(1) If the electrolyte level is low, replace the battery
(or add distilled water) and check the charging
system.
2. CHECK BATTERY SPECIFIC GRAVITY
(a) Check the color of the hydrometer.
Result
3. CHECK BATTERY VOLTAGE ...
ECM Communication Circuit Malfunction
DTC C1203/53 ECM Communication Circuit Malfunction
DESCRIPTION
The circuit is used to send TRAC and VSC control information from the skid
control ECU to the ECM, and
engine control information from the ECM to the skid control ECU through the CAN
communication
system.
INSPECTION PROCEDURE
1 ...