Throttle Valve Opening Signal Circuit Check - Suzuki SQ416 Service Manual

THROTTLE VALVE OPENING SIGNAL CIRCUIT CHECK

Step
1 Powertrain Control Module (PCM) Diagnostic Trouble
Code Check
1) Check PCM for DTC.
Is there a DTC related to throttle position sensor?
2 Throttle Valve Opening Signal Circuit Check
1) Turn ignition switch ON.
2) Check voltage between terminal E61-6 of PCM
connector connected and ground.
Does voltage vary linearly according to throttle opening?
3 Supply Voltage Check
1) Disconnect connector from PCM with ignition switch
OFF.
2) Check for proper connection to PCM at terminal E61-6.
3) If OK, connect "BLU" wire terminal of main relay to
ground with service wire.
4) Turn ignition switch ON.
5) Check voltage between E61-6 of PCM connector and
ground.
Is it 10 – 14 V?
Fig. for Step 2
Action
CRUISE CONTROL SYSTEM 8E-15
Yes
Check and repair Go to Step 2.
TP sensor referring
to Section 6-1.
Throttle valve Go to Step 3.
opening signal
circuit is OK.
Check TP sensor Check "Gr" wire for
and circuits open and short.
referring to Section If OK, proceed to
6-1. cruise control
If OK, substitute a module power and
known-good PCM ground circuits
and recheck. check.
No