P1607

Test 1 - Test 2:

SYMPTOM
P1607-PCM INTERNAL SHUTDOWN TIMER RATIONALITY

TEST NOTE
This symptom is diagnosed using the test P1603-PCM INTERNAL DUAL-PORT RAM COMMUNICATION.

WHEN MONITORED
Ignition on.

SET CONDITION
Internal PCM failure detected.

POSSIBLE CAUSES
- PCM fused ignition switch output circuit
- PCM