Reassembly
ComponentsLost Communication with A/C ECU (U0164)
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
U0164
No communication from the air conditioning amplifier continues.
Air conditioning amplifier branch wire or connect ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before proceeding to the next
step.
2. CHECK DLC3
(a) The ECU uses ISO 15765-4 for communication. The terminal arrangement of the ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL-SAFE FUNCTION
If the following malfunctions occur, the AWD control ECU will stop the
function of 4WD control system or partly change the function to control
the system.
If a malfunction occurs in the senso ...