SYSTEM DIAGRAM
The configuration of the electronic control system in the AC60E automatic transmission is as shown in the following chart.

System Description
Hydraulic TestLost Communication with Meter (B1324)
DESCRIPTION
This DTC is stored when a communication error occurs between the navigation receiver
assembly and combination meter assembly.
DTC No.
DTC Detection Condition
Trouble Area
B1324
After the navigation receiver assembly receive ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY
ECU)
(a) Disconnect the MB main body ECU (multiplex network body ECU) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT OIL PUMP RELIEF VALVE
(a) Coat the oil pump relief valve with engine oil and check that it
falls smoothly into the valve hole by its own weight.
If the valve does not fall smoothly, replace the timing chain cover assembly.
...