ComponentsBrake Signal Malfunction (B2284)
DESCRIPTION
The power management control ECU receives brake signal information from 2 sources.
It receives a signal from the stop light switch assembly via a direct line, and
a signal from the ECM via CAN. If the information from these 2 sources is incons ...
Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS
HINT:
Inspect the ECM using check mode. Intermittent problems are easier to detect
with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1
trip detection logic, which is more sensitive to malfuncti ...
Removal
REMOVAL
PROCEDURE
1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
3. REMOVE FR ...