Suzuki WagonR+ RB310 Service Manual page 1448

DTC P1700 Throttle position signal input malfunction
1. Throttle position (TP) sensor
2. ECM
3. TCM
DTC DETECTING CONDITION
• NO or abnormal throttle opening signal inputted.
Step
1 Check DTC of "ENGINE DIAGNOSIS" referring
to Section 6.
Is there DTC related to throttle position sensor
detected?
2 1) Check for proper connections of terminal
"E12-8" to TCM and terminal "E22-21" to
ECM.
2) Turn ignition switch OFF and disconnect
TCM and ECM couplers.
3) Check continuity between terminal "E12-8"
of disconnected harness side TCM coupler
and terminal "E22-21" of disconnected har-
ness side ECM coupler.
Is continuity indicated?
4. TCM couplers (viewed from harness side)
5. ECM couplers (viewed from harness side)
Action
AUTOMATIC TRANSMISSION (4 A/T) 7B-37
Yes
Inspect and repair refer-
ring to DTC flow table of
"ENGINE DIAGNOSIS" in
Section 6.
Go to Step 3.
No
Go to Step 2.
"Y/B" wire open.