Dtc P0702/P1702 (Dtc No.52)Transmission Control System Electrical Or Internal Malfunction Of Tcm - Suzuki Ignis Service Manual

7B-52 AUTOMATIC TRANSMISSION (4 A/T)
DTC P0702/P1702 (DTC No.52)TRANSMISSION CONTROL SYSTEM ELECTRICAL OR
INTERNAL MALFUNCTION OF TCM
1. TCM
2. Ignition switch
DTC DETECTING CONDITION
• Relay output voltage too high although TCM orders the relay to turn OFF or relay output voltage too low
although TCM orders the relay to turn on.
• Incorrect calculations of checking TCM programmed data indicated.
Step
1 1) Turn ignition switch ON.
2) Erase all DTCs referring to "HOW TO
CLEAR DTC" in this section.
3) Turn ignition switch OFF.
4) Turn ignition switch ON once again and
check for any DTC.
Is it DTC P1702 (DTC No.52) or P0702 (DTC
No.52)?
3. A/T relay
4. TCM coupler (viewed from harness side)
Action Yes
Replace TCM.
No
Could be a temporary
malfunction of the TCM.