Suzuki Liana RH418, Дополнительное руководство по обслуживанию

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5A-56 Automatic Transmission/Transaxle:
DTC Troubleshooting
DTC P1895 (No.27): Torque Control Signal Malfunction
S3RH0B5104037
Wiring Diagram
Step Action Yes No
1 Was “A/T System Check” performed? Go to Step 2. Go to “A/T System
Check”.
2 Check engine torque signal circuit for IG short
1) Turn ignition switch OFF.
2) Disconnect TCM and ECM connectors from TCM and
ECM.
3) Check proper connection to TCM at terminal “G07-23”
and to ECM at terminal “G03-5”.
4) If connection is OK, turn ignition switch ON and measure
voltage between terminal “G07-23” and ground.
Is it 10 – 14 V?
“BRN/YEL” circuit
shorted to power circuit. Go to Step 3.
3 Check engine torque signal circuit for open
1) Turn ignition switch OFF.
2) Check continuity between terminal “G07-23” of
disconnected harness side TCM connector and terminal
“G03-5” of disconnected harness side ECM connector.
Is continuity indicated?
Go to Step 4. “BRN/YEL” circuit open.
4 Check engine torque signal circuit for ground short
1) Check continuity between terminal “G07-23” of
disconnected harness side TCM connector and ground.
Is continuity indicated?
“BRN/YEL” circuit
shorted to ground Intermittent trouble or
faulty TCM or ECM.
Check for intermittent
referring to “Intermittent
and Poor Connection
Inspection in Section 00
in related manual”. If
OK, substitute a known-
good TCM or ECM and
recheck.
18
G08 G07
3
1
LT GRN/RED G07-18 G03-12
2 5V
4
C41 G04 G03
12
I3RH0B510021-01
1. TCM 3. Terminal arrangement of TCM connector (viewed from harness side)
2. ECM 4. Terminal arrangement of ECM connector (viewed from harness side)