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Troubleshooting
Step
1
Was "A/T System Check" performed?
2
Check Timing Solenoid Valve Circuit for IG
Short or Open.
1) Turn ignition switch ON and measure volt-
age between terminal "C39-14" of harness side
TCM connector and ground.
2) Is it 0 – 1 V?
3
Check Timing Solenoid Valve Resistance
1) Turn ignition switch OFF.
2) Disconnect valve body harness connector
on transaxle.
3) Check for proper connection to solenoid
valve at "WHT/RED" circuit.
4) Check resistance of solenoid valve. See
Fig.
Resistance between terminal of transaxle
side valve body harness connector and
transaxle:
11 – 15 Ω (at 20°C (68°F))
Is check result satisfactory?
4
Check Timing Solenoid Valve Circuit for
Ground Short.
1) Connect valve body harness connector.
2) Disconnect TCM connectors.
3) Measure resistance between terminal
"C39-14" of disconnected harness side
TCM connector and ground.
Is it 11 – 15 Ω (at 20°C (68°F))
Fig. for Step 4
1. Valve body harness connector on harness
2. Valve body harness connector on transaxle
3. Ground (Transaxle)
Action
1
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Intermittent trouble or
faulty TCM.
Check for intermittent
referring to "Intermittent
and Poor Connection" in
Section 0A.
If OK, substitute a known-
good TCM and recheck.
5
4
3
2
1
10
9
8
7
6
AUTOMATIC TRANSAXLE 7B-69
No
Go to "Automatic Tran-
saxle Basic Check" in this
section.
"WHT/GRN" circuit
shorted to power circuit or
open.
Replace timing solenoid
valve or lead wire.
"WHT/RED" circuit
shorted to ground.
2
3
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