Suzuki WagonR+ RB310 Service Manual page 1443

7B-32 AUTOMATIC TRANSMISSION (4 A/T)
Step
4 Turn ignition switch ON then measure voltage
between terminal "E13-10", "E13-23" or "E13-
22" of the disconnected harness side TCM cou-
pler and body ground.
Is it about 0 V?
Solenoid
Shift solenoid -A (No.1)
Shift solenoid -B (No.2)
TCC solenoid (Lock-up solenoid)
Figure for Step 1
Figure for Step 2, 3, 4
Action
TCM Terminal Number
E13-10
E13-23
E13-22
1. Shift solenoid -A (No.1) terminal
2. Shift solenoid -B (No.2) terminal
3. TCC (Lock-up) solenoid terminal
4. Solenoid coupler
5. Transmission range sensor (Shift switch)
1. "E13-10" terminal
2. "E13-23" terminal
3. "E13-22" terminal
4. TCM couples
Yes
Poor connection at termi-
nal "E13-10", "E13-23" or
"E13-22" of TCM.
If all the above are in good
condition, substitute a
known-good TCM and
recheck.
Lead Wire Color
(between TCM and solenoid coupler)
No
"B/R", "B/O" or "Br" wire or
shift solenoid lead wire
shorted to power source
circuit.
B/R
B/O
Br