Dtc P0602: Control Module Programming Error; Dtc P0705: Transmission Range Sensor Circuit Malfunction (Prndl Input) - Suzuki SX4 Service 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) Turn ON ignition switch and 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 and pending DTC by using scan tool.
DTC Troubleshooting
Step
1 DTC check
1) Clear DTC referring to "DTC Clearance".
2) Turn OFF ignition switch.
3) Turn ON ignition switch and check DTC.
Is DTC P0602 still indicated?
2 TCM power ground circuit check
1) Check that TCM power supply circuit and TCM ground
circuit is in good condition 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
IG1
R
3
RED/BLK
N
GRN/ORN
D
2
GRN/YEL
L
LT GRN/BLK
[A]
C06
3. Backup lamp
[A]: Terminal arrangement of TCM connector (viewed from harness side)
TCM
Yes
Go to Step 2.
Substitute a known-
good TCM and recheck.
1
C07-20
RED C07-1
C07-8
C07-7
GRN
C07-19
C07-18
C07
20 19
I6RW0B510008-01
S7RW0A5104021
Trouble area
No
Intermittent trouble.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section
00".
Repair TCM power or
ground circuit.
S7RW0A5104022
1
8 7
18