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BF135A•BF150A
5-60
When multiple DTC’s main codes appear:
MIL
Detected unit
Probable problem part
Ref. page
No. of blinks
MIL
24
ON
ECT sensor 2 (Low voltage)
• Open or short circuit in the ECT sensor 2 wire
• Faulty ECT sensor 2
• Faulty ECM
25
ON
ECT sensor 3 (Low voltage)
• Open or short circuit in the ECT sensor 3 wire
• Faulty ECT sensor 3
• Faulty ECM
26
ON
EOP switch (Current)
• Open or short circuit in the EOP switch wire
• Faulty ECM
27
ON
ECT sensor 4
• Open or short circuit in the ECT sensor 4 wire
(Sensor voltage)
• Faulty ECT sensor 4
• Faulty ECM
41
ON
A/F sensor heater (Current)
• Open or short circuit in the A/F sensor
heater wire
• Faulty A/F sensor heater
• Faulty ECM
48
ON
A/F sensor (Current)
• Open or short circuit in the A/F sensor wire
• Faulty A/F sensor
• Faulty ECM
MIL
Detected unit
Probable problem part
Ref. page
No. of blinks
MIL
7, 13
ON
ECM (Sensor voltage)
• Open circuit in the VCC (sensor power
--
supply) line
6, 7
ON
ECM (Sensor voltage)
• Open circuit in the SG (sensor ground) line
--
10, 13
24, 25
27, 48