Suzuki sq-416-420-625 Service Manual page 450

7B1-48 AUTOMATIC TRANSMISSION (4 A / T)
TROUBLESHOOTING
STEP
1 Was "A/T DIAG. FLOW TABLE" performed?
2 Is the vehicle equipped with monitor connector?
3 Is DTC NO.65?
4 Check TCC Solenoid Circuit for Open or Short.
1) Turn ignition switch OFF and disconnect PCM
connectors.
2) Check for proper connection to PCM at terminals
C51-1-8 for G16/J20 (C51-1-2 for H25).
3) If OK, then measure resistance between terminal
C51-1-8 for G16/J20 (C51-1-2 for H25) of
disconnected PCM connector and ground.
Is it 11 – 15 f at 20_C, 68_F?
5 Check TCC Solenoid Circuit for Short.
1) Turn ignition switch ON.
2) Measure voltage between terminal C51-1-8 for
G16/J20 (C51-1-2 for H25) of disconnected PCM
connector and ground.
Is it about 0 V?
6 Check TCC Solenoid Circuit for Short.
1) Turn ignition switch OFF and disconnect PCM
connectors.
2) Check for proper connection to PCM at terminals
C51-1-8 for G16/J20 (C51-1-2 for H25) or C51-1-1.
3) If OK, then measure resistance between terminal
C51-1-8 for G16/J20 (C51-1-2 for H25) of
disconnected PCM connector and ground.
Is it 11 – 15 f at 20_C, 68_F?
ACTION YES
Go to Step 2.
Go to Step 3.
G to Step 4.
Go to Step 5.
Intermittent trouble or
faulty PCM.
Check for
"Intermittent and
Poor Connection" in
Section 0A.
Intermittent trouble or
faulty PCM.
Check for
"Intermittent and
Poor Connection" in
Section 0A.
NO
Go to "A/T DIAG.
FLOW TABLE".
Go to Step 4.
Go to Step 6.
"G/Y" circuit open or
shorted to ground.
If wire and
connections are OK,
replace malfunction
shift solenoid.
"G/Y" circuit shorted
to power circuit.
"G/Y" circuit shorted
to ground.
If wire and
connections are OK,
replace malfunction
shift solenoid.