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Camry CNG & Gasoline Models, & Camry Solara

  1. If using scan tool, go to next step. If scan tool is not available, go to step  5.
  2. Connect scan tool to data link connector No. 3. See Figure and Figure . Turn ignition on and then turn scan tool on. Read STA signal display on scan tool with ignition on, and with ignition in START position and engine cranking. STA signal display should read OFF with ignition on, and ON with ignition switch in START position. If STA signal display is not as specified, go to next step. If STA signal display is as specified, diagnose by symptom. See TROUBLE SHOOTING - NO CODES article.
  3. Check for open in wiring harness and electrical connectors between ECM and junction connectors J6 and J7. See appropriate wiring diagram in STARTERS article in STARTING & CHARGING SYSTEMS. ECM is located behind glove box. For illustration of ECM location, see THEORY & OPERATION article. Junction connectors J6 and J7 are located behind driver's side of instrument panel, near fuse/relay box. See Fig 1.
    NOTE: On Camry gasoline models and Camry Solara, junction connectors J6 and J7 may also be referred to as junction connectors J7 and J8.
    Fig 1: Locating Junction Connectors J6 & J7 (Camry CNG & Gasoline Models, & Camry Solara)
    G99G52395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. If wiring harness or electrical connector is defective, repair as necessary. If wiring harness and electrical connectors are okay, check ECM ground circuit. See WIRING DIAGRAMS article. If ECM ground circuit is defective, repair ground circuit as necessary. If ECM ground circuit is okay, replace ECM.
  5. Remove glove box for access to ECM. For illustration of ECM location, see THEORY & OPERATION article. Note ECM electrical connector terminals. See Figure and Figure . Using voltmeter, check voltage between body ground and STA terminal at ECM with ignition in START position and engine cranking. See ECM TERMINAL IDENTIFICATION FOR STARTER SIGNAL (CAMRY & CAMRY SOLARA)  table.
    ECM TERMINAL IDENTIFICATION FOR STARTER SIGNAL (CAMRY & CAMRY SOLARA)

    Application ECM Connector ECM Terminal No. (Wire Color)
    Camry
    CNG Models E4 15 (Gray)
    Gasoline Models E7 (1) 7 (Gray Or Black/Orange)
    Camry Solara E7 7 (Gray)
    (1) Gray wire is used on Toyota Motor Corporation (TMC) vehicles, and Black/Orange wire is used on Toyota Motor Manufacturing Kentucky (TMMK) vehicles.
  6. Voltage should be 6 volts or more. If voltage is not within specification, go to next step. If voltage is within specification, diagnose by symptom. See TROUBLE SHOOTING - NO CODES article.
  7. Check for open in wiring harness and electrical connectors between ECM and junction connector J6 and J7. See appropriate wiring diagram in STARTERS article in STARTING & CHARGING SYSTEMS. Junction connectors J6 and J7 are located behind driver's side of instrument panel, near fuse/relay box. See Fig 1.
    NOTE: On Camry gasoline models and Camry Solara, junction connectors J6 and J7 may also be referred to as junction connectors J7 and J8.
  8. If wiring harness or electrical connector is defective, repair as necessary. If wiring harness and electrical connectors are okay, check ECM ground circuit. See WIRING DIAGRAMS article. If ECM ground circuit is defective, repair ground circuit as necessary. If ECM ground circuit is okay, replace ECM.
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