ECU Power Source Circuit
ComponentsCellular Phone Registration Failure, Phone Directory Transfer Failure
PROCEDURE
1.
CHECK OPERATION
(a) Place the cellular phone close to the navigation receiver assembly.
(b) Check if the cellular phone can be registered.
OK:
The cellular phone can be registered.
OK
NORMAL OPERATION
...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...
Check Bus 5 Line for Short to +B
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and +B when no
resistance exists between terminal 15 (CA5H) of the central gateway ECU (network
gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 16 (CA5L) of the central
gateway ECU (network gateway ECU) and ...