TOHATSU BFT115A Service Manual page 153

DTC 14-1 (ABNORMAL IAC VALVE CURRENT)
ECM
12V
EACVP G/W
EACVM
13
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the IAC valve 2P connector
ECM connector B
Clear the DTC (page 5-6).
• Continue the procedure if the DTC does not
clear.
Start the engine and check the DTC using the HDS.
Does the DTC 14-1 appear?
YES – GO TO STEP 2.
NO – Temporary
reappear)
2. IAC valve inspection
Turn the combination switch OFF.
Inspect the IAC valve (page 5-138).
Is the IAC valve normal?
YES – Repair open or short in the Green/White
wire or Black wire between the ECM and
IAC valve. If main wire harness is normal,
replace the ECM with a new one and
recheck.
NO – Replace the IAC valve with a new one and
recheck.
Bl
26
, and then reconnect them.
13
failure (code does
G/W
Bl
Bl Black
Y Yellow
Bu Blue
Green
G
R Red
W White
and
not
FUEL SYSTEM
IAC
VALVE
26
Br Brown
O Orange
Lb Light blue
Lg
Light green
P Pink
Gr Gray
5-35