On-vehicle Inspection
ComponentsProblem 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 ...
Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION
for Navigation Function:
The navigation receiver assembly receives a vehicle speed signal from
the combination meter assembly and sends the signal to navigation receiver
assembly.
for Automatic Sound Levelizer (ASL):
This circuit is necessary for the Aut ...
Check Bus 3 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resis ...