Dtc P2102: Throttle Actuator Control Motor Circuit Low - Suzuki Grand Vitara Service Manual

1A-189 Engine General Information and Diagnosis:
Step
3 Throttle actuator circuit check
1) Turn OFF ignition switch.
2) Measure resistance 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 resistance infinity?
4 Throttle actuator circuit check
1) Check throttle actuator referring to "Throttle Actuator
(Motor) Check" under "Electric Throttle Body Assembly
On-Vehicle Inspection: in Section 1C".
Is check result satisfactory?

DTC P2102: Throttle Actuator Control Motor Circuit Low

Wiring Diagram
Refer to "DTC P2101: Throttle Actuator Control Motor Circuit Range / Performance: ".
DTC Detecting Condition and Trouble Area
DTC detecting condition
Power supply voltage of throttle actuator control circuit is
less than 5 V for specified time even if throttle actuator
control relay is turned on.
(1 driving detection logic)
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool.
2) Turn ON ignition switch and clear DTC using scan tool.
3) Start engine and run it for 1 min. or more.
4) Check DTC.
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Action
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Yes
Go to Step 4.
Substitute a known-
good ECM and recheck.
Trouble area
• Throttle actuator control relay circuit
• Throttle actuator control relay
• ECM
No
"BLU/YEL" wire and/or
"BLU/RED" wire is
shorted to ground
circuit.
Replace electric throttle
body assembly.
S5JB0A1104078