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AT-14 AUTOMATIC TRANSMISSION (DIAGNOSTICS) TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL 5. Transmission Control Module (TCM) I/O Signal A: ELECTRICAL SPECIFICATION Check with ignition switch ON. Content Connector No. Terminal No. Measuring conditions Voltage (V) Resistance to body (ohms) Back-up power supply B56 1 Ignition switch OFF 10 — 13 — Ignition power supply B54 23 Ignition switch ON (with engine OFF) 10 — 13 — B54 24 Inhibitor “P” range switch B55 1 Select lever in “P” range Less than 1 — Select lever in any other than “P” range (except “N” range) More than 8 “N” range switch B55 14 Select lever in “N” range Less than 1 — Select lever in any other than “N” range (except “P” range) More than 8 “R” range switch B55 3 Select lever in “R” range Less than 1 — Select lever in any other than “R” range More than 8 “D” range switch B55 4 Select lever in “D” range Less than 1 — Select lever in any other than “D” range More than 8 “3” range switch B55 5 Select lever in “3” range Less than 1 — Select lever in any other than “3” range More than 8 “2” range switch B55 6 Select lever in “2” range Less than 1 — Select lever in any other than “2” range More than 8 “1” range switch B55 7 Select lever in “1” range Less than 1 — Select lever in any other than “1” range More than 8 Brake switch B55 12 Brake pedal depressed. More than 10.5 — Brake pedal released. Less than 1 VDC communication signal B56 9 Ignition ON (+) — (–) Pulse signal — VDC communication signal B56 18 (+) — (–) Pulse signal — AT-00642 to B54 1 2 7 8 9 5 6 3 4 10 11 12 19 20 21 13 14 15 16 17 18 22 23 24 to B55 1 2 3 4 10 11 12 19 20 21 13 5 6 14 15 7 8 9 16 17 18 22 23 24 to B56 1 2 7 8 9 5 6 3 4 10 11 12 19 20 21 13 14 15 16 17 18 22 23 24 |