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TRANSMISSION - NGC
P0715-INPUT SPEED SENSOR ERROR —
TEST
6
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Input Speed Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the Speed Sensor Ground circuit from the Pinout Box to
the Input Speed Sensor harness connector.
Is the resistance above 5.0 ohms?
Yes → Repair the Speed Sensor Ground circuit for an open.
→ Go To 7
No
7
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Input Speed Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance between ground and the Input Speed Sensor Signal circuit.
Is the resistance Below 5.0 ohms?
Yes → Repair the Input Speed Sensor Signal circuit for a short to
→ Go To 8
No
8
Turn the ignition off to the lock position.
Disconnect the Input Speed Sensor harness connector.
Disconnect the PCM harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Connect a jumper wire between the Fused B+ circuit and the Transmission Control
Relay Output circuit in the Transmission Control Relay connector.
Ignition on, engine not running.
Measure the voltage of the Input Speed Sensor Signal circuit.
Is the voltage above 0.5 volts?
Yes → Repair the Input Speed Sensor Signal circuit for a short to
→ Go To 9
No
ACTION
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
ground.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
voltage.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Continued
200
APPLICABILITY
All
All
All
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