DTC P3108-535 A/C Amplifier Communication Circuit Malfunction |
DTC P3108-536 A/C Amplifier Communication Circuit Malfunction |
DTC P3108-538 A/C Amplifier Communication Circuit Malfunction |
DTC No. | INF Code | DTC Detection Condition | Trouble Area |
P3108 | 535 | Serial communication malfunction |
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P3108 | 536 | A/C inverter malfunction |
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P3108 | 538 | Open in STB signal circuit |
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1.CHECK DTC OUTPUT (HV) |
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Select the following menu items: Powertrain / Hybrid Control / DTC.
Read output DTCs.
DTC No. | Relevant Diagnosis |
P0ADC-226 | SMRB circuit |
P0AE0-228 | SMRG circuit |
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NO | |
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2.CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR) |
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Check the connection of the hybrid vehicle control ECU connector.
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OK | |
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3.CHECK CONNECTOR CONNECTION CONDITION (WITH MOTOR COMPRESSOR ASSEMBLY CONNECTOR) |
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Check the connection of the with motor compressor assembly connector.
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OK | |
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4.CHECK HARNESS AND CONNECTOR (WITH MOTOR COMPRESSOR ASSEMBLY POWER SOURCE CIRCUIT) |
Turn the power switch off.
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Disconnect connector E78 from the with motor compressor assembly.
Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
GND (E78-5) - Body ground | Below 1 Ω |
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
IG (E78-6) - GND (E78-5) | Below 1 V |
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OK | |
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5.CHECK DTC OUTPUT (HV) |
Connect the with motor compressor assembly connector.
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Select the following menu items: Powertrain / Hybrid Control / DTC.
Read output DTCs.
DTC No. | Proceed to |
P3108-535 is not output only. | A |
P3108-535 is not output and P3108-538 is output. | B |
P3108-538 is not output and P3108-536 is output. | A |
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A | |
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6.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - WITH MOTOR COMPRESSOR ASSEMBLY) |
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Disconnect connector E77 from the hybrid vehicle control ECU.
Disconnect connector E78 from the with motor compressor assembly (Click here).
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
CLK (E77-9) - Body ground | Below 1 V |
ITE (E77-10) - Body ground | Below 1 V |
ETI (E77-11) - Body ground | Below 1 V |
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
CLK (E77-9) - CLK (E78-1) | Below 1 Ω |
ITE (E77-10) - DIM (E78-2) | Below 1 Ω |
ETI (E77-11) - DOUT (E78-3) | Below 1 Ω |
Tester Connection | Specified Condition |
CLK (E77-9) or CLK (E78-1) - Body ground | 10 kΩ or more |
ITE (E77-10) or DIM (E78-2) - Body ground | 10 kΩ or more |
ETI (E77-11) or DOUT (E78-3) - Body ground | 10 kΩ or more |
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OK | |
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7.CHECK HYBRID VEHICLE CONTROL ECU |
Turn the power switch off.
Connect the connector to the hybrid vehicle control ECU.
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Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
DOUT (E78-3) - Body ground | 10 kΩ or more |
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
CLK (E78-1) - Body ground | 10 to 14 V |
DIM (E78-2) - Body ground | 10 to 14 V |
DOUT (E78-3) - Body ground | Below 1 V |
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OK | |
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8.CHECK WITH MOTOR COMPRESSOR ASSEMBLY |
Turn the power switch off.
Connect the connector to the with motor compressor assembly.
Disconnect connector E77 from the hybrid vehicle control ECU.
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Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
CLK (E77-9) - Body ground | 10 kΩ or more |
ITE (E77-10) - Body ground | 10 kΩ or more |
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
ETI (E77-11) - Body ground | 10 to 14 V |
CLK (E77-9) - Body ground | Below 1 V |
ITE (E77-10) - Body ground | Below 1 V |
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OK | ||
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9.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - WITH MOTOR COMPRESSOR ASSEMBLY) |
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Disconnect connector E77 from the hybrid vehicle control ECU.
Disconnect connector E78 from the with motor compressor assembly.
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
STB (E77-8) - Body ground | Below 1 V |
Turn the power switch off.
Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
STB (E77-8) - STBI (E78-4) | Below 1 Ω |
Tester Connection | Specified Condition |
STB (E77-8) or STBI (E78-4) - Body ground | 10 kΩ or more |
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OK | |
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10.CHECK HYBRID VEHICLE CONTROL ECU |
Turn the power switch off.
Connect the connector to the hybrid vehicle control ECU.
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Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
STBI (E78-4) - Body ground | 10 kΩ or more |
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
STBI (E78-4) - Body ground | Below 1 V |
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OK | |
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11.CHECK WITH MOTOR COMPRESSOR ASSEMBLY |
Turn the power switch off.
Connect the connector to the with motor compressor assembly.
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Disconnect connector E77 from the hybrid vehicle control ECU.
Measure the resistance according to the value(s) in the table below.
Tester Connection | Specified Condition |
STB (E77-8) - Body ground | 10 kΩ or more |
Turn the power switch on (IG).
Measure the voltage according to the value(s) in the table below.
Tester Connection | Specified Condition |
STB (E77-8) - Body ground | 10 to 14 V |
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OK | ||
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