Engine General Information and Diagnosis: 1A-188
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Keep the accelerator pedal at idle position for 2 seconds.
4) Keep the accelerator pedal at fully depressed position for 2 seconds.
5) Repeat Step 3) and 4) for 3 times.
6) Check DTC.
DTC Troubleshooting
NOTE
Before this trouble shooting is performed, read the precautions for DTC troubleshooting referring to
“Precautions For DTC Troubleshooting: ”.
DTC detecting condition
Trouble area
Monitor signal of throttle actuator output (duty output) is
inconsistent with throttle actuator control command.
(1 driving detection logic)
• Throttle actuator circuit
• Electric throttle body assembly
• ECM
Step
Action
Yes
No
1
Was “Engine and Emission Control System Check”
performed?
Go to Step 2.
Go to “Engine and
Emission Control
System Check: ”.
2
Throttle actuator circuit check
1) Disconnect connectors from electric throttle body
assembly and ECM with ignition switch turned OFF.
2) Check for proper connection of electric throttle body
assembly and ECM connectors at “BLU/YEL” wire,
“BLU/RED” wire, “C37-45” and “C37-44” terminals.
For J20 engine
For M16 engine
3) Turn ON ignition switch.
4) Measure voltage between “BLU/YEL” wire terminal of
electric throttle body assembly connector and engine
ground, between “BLU/RED” wire terminal of electric
throttle body assembly connector and engine ground.
Is voltage 0 V?
Go to Step 3.
“BLU/YEL” wire and/or
“BLU/RED” wire is
shorted to power circuit.
"BLK"
"WHT"
"RED"
"GRN"
"BLU/YEL"
"BLU/RED"
I5JB0A110042-01
"BLU/RED"
"BLU/YEL"
"GRN"
"RED"
"WHT"
"BLK"
I5JB0A110043-01
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