Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
M&A branch line circuit
HVAC branch line circuitP0705 transmission range switch A
Description
The Transmission range switch is included in the control valve
assembly.
The Transmission range switch includes 4 transmission position
switches.
TCM judges the selector lever position by the Transmission range
switch signal.
DTC Logic
DTC DETECTI ...
B26e1 no reception of engine status signal
Description
BCM receives the engine status signal from ECM via CAN
communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B26E1 is displayed with DTC
U1000, first perform the trouble diagnosis for DTC U1000. Refer to
SEC-29, "DTC Logic".
If DTC B26E1 is displayed with D ...
ECU diagnosis information
POWER STEERING CONTROL UNIT
Reference Value
TERMINA LAYOUT
PHYSICAL VALUES
CAUTION: When using circuit tester or oscilloscope to
measure voltage for inspection, be sure not to extend forcibly any connector
terminals.
Fail Saf
EPS system
EPS system enters the fail-safe mode (that al ...