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Diagnostic Procedure NHEC1141 1 CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. SEF279X 3. Check harness continuity between PNP switch terminal 2 and ground. Refer to Wiring Diagram. Continuity should exist. 4. Also check harness for short to power. OK or NG OK © GO TO 3. NG © GO TO 2. 2 DETECT MALFUNCTIONING PART Check the following. I Harness connectors F93, F10 I Check harness for open between park/neutral position (PNP) switch and ground. © Repair open circuit or short to power in harness or connectors. 3 CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Disconnect ECM harness connector. Continuity should exist. 3. Also check harness for short to ground and short to power. OK or NG OK © GO TO 5. NG © GO TO 4. 4 DETECT MALFUNCTIONING PART Check the following. I Harness connectors F10, F93 I Harness for open or short between ECM and park/neutral position (PNP) switch © Repair open circuit or short to ground or short to power in harness or connectors. 5 CHECK PARK/NEUTRAL POSITION (PNP) SWITCH Refer to AT-111, “Diagnostic Procedure”. OK or NG OK © GO TO 6. NG © Replace park/neutral position (PNP) switch. GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P1706 PNP SWITCH Diagnostic Procedure EC-637 |