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Transmission Warning Light Circuit Check - Light Remains "On" At Ignition Switch On (Non-Euro-Obd Model); Transmission Warning Light Circuit Check - Light Does Not Come "On" At Ignition Switch On (Non-Euro-Obd Model) - Suzuki SX4 Service Manual

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Condition
Non operate TCC (lock-
up) system
Excessive "N"
"D" time
lag
Excessive "N"
"R" time
lag
Poor engine brake in
downshift to "2" range
Poor engine brake in
downshift to "L" range
Transmission Warning Light Circuit Check – Light Remains "ON" at Ignition Switch ON (Non-Euro-
OBD Model)
Troubleshooting
Step
1
Diagnostic Trouble Code (DTC) Check
1) Check DTC referring to "DTC Check".
Is there any DTC(s)?
Transmission Warning Light Circuit Check – Light Does Not Come "ON" at Ignition Switch ON (Non-
Euro-OBD Model)
Troubleshooting
Step
1
Combination Meter Power Supply Check
1) Turn ignition switch ON.
Does other indicator / warning lights in combination meter
comes ON?
2
1) TCM power and ground circuit check referring to "TCM
Power and Ground Circuit Check".
Is it in good condition?
3
DTC check
1) Check DTC referring to "DTC Check".
Is there DTC U0073 or U0100?
4
Combination Meter Function Check
1) Turn ignition switch ON.
Does A/T selector position indicator show correct select
lever position?
Possible cause
Faulty torque converter
Faulty oil pump
Faulty forward clutch
Faulty one-way No.2 clutch
Leakage from "D" range fluid pressure
circuit
Faulty oil pump
Faulty reverse clutch
Faulty 1st and reverse brake
Leakage from "R" range fluid pressure
circuit
Faulty O/D and 2nd coast brake
Faulty 1st and reverse brake
Action
Action
Automatic Transmission/Transaxle:
Correction / Reference Item
Replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Overhaul or replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Inspect. If NG, replace.
Overhaul or replace valve body assembly.
Inspect. If NG, replace.
Inspect. If NG, replace.
Yes
Perform DTC Flow to
repair and retry.
Yes
Go to Step 2.
Go to Step 3.
Go to applicable DTC
diag. flow.
Replace combination
meter.
5A-43
S7RW0A5104019
No
Substitute a known-
good TCM and recheck.
If OK, substitute a
known-good
combination meter and
recheck.
S7RW0A5104020
No
Repair combination
meter power supply
circuit referring to
"Combination Meter
Circuit Diagram in
Section 9C".
Repair or replace.
Go to Step 4.
Substitute a known-
good TCM and recheck.

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