Description
ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times or more while communication between ECM and BCM is not normal.
DTC DETECTION LOGIC
NOTE: If DTC P1610 is displayed with other DTC (for BCM or ENGINE), first
perform the trouble diagnosis for other DTC.

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Check DTC in "Self Diagnostic Result" mode of ENGINE using CONSULT.
Is DTC detected?
YES >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
1.CHECK ENGINE START FUNCTION
If detected, erase the DTC after fixing.
>> Inspection End.
IDLE SPEED
Inspection
1.CHECK IDLE SPEED
With CONSULT
Check idle speed in "DATA MONITOR" mode with CONSULT.
Without CONSULT
Check idle speed by installing the pulse type tachometer clamp on the loop
wire or on suitable high-tension
wire which installed between No.1 ignition coil and No.1 spark plug.
...
TCM
Exploded View
1. TCM 2. Bracket 3. Clip Front
Removal and Installation
CAUTION:
When replacing TCM, note the "CVTF DETERIORATION DATE" value displayed on
CONSULT "CONFORM
CVTF DETERIORTN" in MAINTENANCE BOOKLET, before starting the operation.
NOTE:
When replacing the TCM and transaxle ...