Dtc P0730 (Dtc No. 18) Incorrect Gear Ratio - Suzuki Ignis Service Manual

DTC P0730 (DTC NO. 18) INCORRECT GEAR RATIO

1. Input shaft speed sensor
2. Output shaft speed sensor
3. TCM
DTC DETECTING CONDITION
• Difference in detected revolution between input shaft speed sensor and output shaft speed sensor too wide.
Step
1 Check if DTC P0730 (DTC No.18) dis-
played with DTC P0715 (DTC No.14) or
DTC P0720 (DTC No.31).
Is DTC P0730 (DTC No.18) displayed
with DTC P0715 (DTC No.14) or DTC
P0720 (DTC No.31)?
(See figure.)
2 1) Turn ignition switch OFF and discon-
nect TCM couplers.
2) Measure resistance between terminal
"C43-13" of the disconnected harness
side coupler and body ground.
Is it about 0 Ω?
(See figure.)
4. Shield wire
5. TCM coupler (viewed from harness side)
Action Yes
Inspect according to DTC P0715
(DTC No.14) or DTC P0720
(DTC No.31) flow table first.
Short in between shield portion
or "BLK" wire and ground.
AUTOMATIC TRANSMISSION (4 A/T) 7B-33
No
Go to Step 2.
Go to Step 3.