1A-99 Engine General Information and Diagnosis:
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: ”.
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 position sensor and its circuit check
1) Connect scan tool to DLC with ignition switch turned
OFF.
2) Turn ON ignition switch, check “TP Sensor 1 Volt”
displayed on scan tool when accelerator pedal is idle
position and fully depressed.
Is displayed TP sensor value as described voltage in “Scan
Tool Data: ”?
Intermittent trouble.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection: in Section
00”.
Go to Step 3.
3 ECM voltage check
1) Disconnect connector from electric throttle body
assembly with ignition switch turned OFF.
2) Check for proper connection to electric throttle body
assembly at “WHT”, “GRN” and “BLK” wire terminals.
For J20 engine
For M16 engine
3) If OK, measure voltage between “WHT” wire terminal of
electric throttle body assembly connector and engine
ground with ignition switch turned ON.
Is voltage 4 – 6 V?
Go to Step 6. Go to Step 4.
"BLK"
"WHT"
"RED"
"GRN"
"BLU/YEL"
"BLU/RED"
I5JB0A110042-01
"BLU/RED"
"BLU/YEL"
"GRN"
"RED"
"WHT"
"BLK"
I5JB0A110043-01
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