Dtc P0602: Control Module Programming Error; Dtc P0705: Transmission Range Sensor Circuit Malfunction (Prndl Input) - Suzuki Swift Sport 2004 Service & Repair Manual

5A-44 Automatic Transmission/Transaxle:

DTC P0602: Control Module Programming Error

System Description
Internal control module is installed in ECM.
DTC Detecting Condition and Trouble Area
DTC detecting condition
Data programming error (1 driving cycle detection logic)
DTC Confirmation Procedure
1) Connect scan tool to DLC with ignition switch turned OFF.
2) Clear DTC, pending DTC and freeze frame data by using scan tool.
3) Start engine and run it at idle if possible.
4) Check DTC.
DTC Troubleshooting
Step
1 DTC check
1) Clear DTC referring to "DTC Clearance".
2) Turn ignition switch to OFF position.
3) Turn ignition switch to ON position and check DTC.
Is DTC P0602 still indicated?
2 TCM reprogramming check
Was reprogramming of TCM executed?
3 TCM power ground circuit check
1) Check TCM power supply circuit and ground circuit
referring to "TCM Power and Ground Circuit Check".
Are check results OK?

DTC P0705: Transmission Range Sensor Circuit Malfunction (PRNDL input)

Wiring Diagram
1. TCM
2. Transmission range sensor
Action
2
P
PNK/BLK
IG11
R
3
RED/BLK
N
GRN/ORN
D
2
GRN/YEL
L
LT GRN/BLK
[A]
C34
3. Backup lamp
[A]: Terminal arrangement of TCM connector (viewed from harness side)
TCM
Yes
Go to Step 2.
Execute reprogramming
of TCM correctly once
again.
Substitute a known-
good TCM and recheck.
1
C35-20
C35-1
RED
C35-8
C35-7
GRN
C35-19
C35-18
C35
20 19
I4RS0A510010-01
S7RS0B5104048
Trouble area
No
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".
Go to Step 3.
Repair TCM power or
ground circuit.
S7RS0B5104023
1
8 7
18