PINPOINT TEST G258127p27

Pinpoint Tests

PINPOINT TEST G258127p27 : DTC P1245, P1246; ENGINE CRANK SIGNAL LOW/HIGH VOLTAGE

G258127t133 : CHECK THE IGNITION SWITCH TO ECM CIRCUIT FOR HIGH RESISTANCE
1. Disconnect the battery negative terminal.
2. Disconnect the ignition switch electrical connector, IP34.
3. Disconnect the ECM electrical connector, PI01.
4. Measure the resistance between IP34, pin 01 (Y) and PI01, pin 06 (Y).

- Is the resistance greater than 5 Ohms?

->YES
REPAIR the high resistance circuit. CLEAR the DTC. TEST the system for normal operation.

->NO
GO to Pinpoint Test G258127t134.

G258127t134 : CHECK THE IGNITION SWITCH TO ECM CIRCUIT FOR SHORT TO HIGH VOLTAGE
1. Reconnect the battery negative terminal.
2. Turn the ignition switch to the ON position.
3. Measure the voltage between IP34, pin 01 (Y) and GROUND.

- Is the voltage greater than 3 volts?

->YES
REPAIR the short circuit. CLEAR the DTC. TEST the system for normal operation.

->NO
INSTALL a new ignition switch. CLEAR the DTC. TEST the system for normal operation.