TOHATSU BFT115A Service Manual page 140

FUEL SYSTEM
DTC 0-2, 0-5, 0-8
(INTERNAL FAILURE OF ECM)
1. Reproduction test
Turn the combination switch ON and wait for more
than one second.
Clear the DTC (page 5-6).
• Continue the procedure if the DTC does not
clear.
Start the engine and recheck the DTC using the
HDS.
Does the DTC 0-2, 0-5, 0-8 appear?
YES
NO
DTC 3-1, 3-2 (MAP SENSOR VOLTAGE TOO LOW OR TOO HIGH)
ECM
5V
5V
VCC1
DTC 3-1 (MAP SENSOR VOLTAGE IS TOO LOW)
1. Symptom reproduction test
Turn the combination switch OFF.
Disconnect the MAP sensor 3P connector
ECM connector A
13
Clear the DTC (page 5-6).
• Continue the procedure if the DTC does not
clear.
Turn the combination switch ON.
Measure the MAP sensor voltage using the HDS.
Is the measurement within 0.23 – 4.49 V?
YES
NO
5-22
– Replace the ECM with a new one and
recheck
– Temporary failure
reappear)
12
PB W/R
Br/Y
SG1 G/R
13
, and ECM connector B
12
, and then reconnect them.
– Temporary failure
reappear)
– GO TO STEP 2.
(code does not
,
30
(code does not
MAP
SENSOR
30
Br/Y
W/R
G/R
Bl Black Br Brown
Y Yellow O Orange
Bu Blue Lb Light blue
Lg
G Green Light green
R Red P Pink
W White Gr Gray