Suzuki WagonR+ RB310 Service Manual page 2769

7B-38 AUTOMATIC TRANSMISSION (4 A / T)
DTC 32 – THROTTLE POSITION SIGNAL
(THROTTLE OPENING SIGNAL OF OVER 100% INPUTTED)
STEP
1 Check throttle opening signal referring to
Section 6E.
Is it OK?
2 Check DTC of electronic fuel injection system
referring to Section 6E.
Does the DTC show normal code?
3 1) Turn ignition switch OFF and disconnect
TCM and ECM couplers.
2) Check resistance between terminal "B1" of
disconnected harness side TCM coupler and
body ground.
Is it infinity?
4 1) Connect TCM couplers.
2) Turn ignition switch ON and check voltage
between terminal "D18" of disconnected
harness side ECM coupler and body ground.
Is it 10 – 14 V?
ACTION
1. TCM coupler (viewed from harness side)
2. ECM coupler (viewed from harness side)
YES
Intermittent trouble or
faulty TCM.
Recheck referring to
"Intermittent trouble" in
Section 0B.
Go to Step 3.
Go to Step 4.
Intermittent trouble or
faulty ECM.
Substitute a known-good
ECM and recheck.
NO
Go to Step 2.
Inspect and repair
referring to DTC flow
table of electronic fuel
injection system in
Section 6E.
"Y/B" wire shorted to
ground.
Substitute a known-good
TCM and recheck.