Cruise Control System -- Terminals Of Ecm |

CHECK ECM |
Disconnect the E14, E15 and E17 ECM connectors.
Measure the voltage and resistance of the wire harness side connectors.
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition BATT (E14-3) - E1 (E17-1) L - BR Battery Always 10 to 14 V IGSW (E14-9) - E1 (E17-1) B-O - BR IG power supply Ignition switch ON 10 to 14 V IGSW (E14-9) - E1 (E17-1) B-O - BR IG power supply Ignition switch OFF Below 1 V E1 (E17-1) - Body ground BR - Body ground Ground Always Below 1 Ω E2 (E15-28) - Body ground BR - Body ground Ground Always Below 1 Ω - If the result is not as specified, there may be a malfunction on the wire harness side.
- If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the E14, E15 and E17 ECM connectors.
Measure the voltage of the connectors.
Symbols (Terminal No.) Wiring Color Terminal Description Condition Specified Condition STP (E14-15) - E1 (E17-1) G-W - BR Stop light switch input signal Ignition switch ON, release brake pedal Below 1 V STP (E14-15) - E1 (E17-1) G-W - BR Stop light switch input signal Ignition switch ON, depress brake pedal 10 to 14 V ST1 - (E14-16) - E1 (E17-1) R-L - BR Cruise cancel input signal Ignition switch ON, depress brake pedal Below 1 V ST1 - (E14-16) - E1 (E17-1) R-L - BR Cruise cancel input signal Ignition switch ON, release brake pedal 10 to 14 V CCS (E13-2) - E1 (E17-1) G-W - BR Cruise control main switch signal Ignition switch ON 10 to 14 V CCS (E13-2) - E1 (E17-1) G-W - BR Cruise control main switch signal Set and hold main switch on CANCEL 6.6 to 10.1 V CCS (E13-2) - E1 (E17-1) G-W - BR Cruise control main switch signal Set and hold main switch on SET/COAST 4.5 to 7.1 V CCS (E13-2) - E1 (E17-1) G-W - BR Cruise control main switch signal Set and hold main switch on RES/ACC 2.3 to 4.0 V CCS (E13-2) - E1 (E17-1) G-W - BR Cruise control main switch signal Press and hold main switch ON-OFF button Below 1 V - If the result is not as specified, the ECM may have a malfunction.
- If the result is not as specified, the ECM may have a malfunction.