DTC Logic
DTC DETECTION LOGIC

Diagnosis Procedure
1. REPLACE BCM
When DTC U1010 is detected, replace BCM.
U1000 CAN comm circuit
B2553 ignition relayBose speaker amp
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
...
P1701 TCM
Description
When the power supply to the TCM is cut off, for example
because the battery is removed, and the self-diagnosis
memory function stops, a malfunction is detected.
NOTE:
Since "P1701" is indicated when replacing TCM, perform diagnosis after erasing
"Self Diagnostic Results".
DTC ...
BCM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the BCM for damage, bend and
loose connection (unit side and
connector side).
2.CHECK HARNESS FOR OPEN CIRCUIT
Disc ...